CVE-2024-36484

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net/ipv4/af_inet.c:759\nCode: 04 38 84 c0 0f 85 87 00 00 00 41 c7 04 24 03 00 00 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 ec b7 da fd <0f> 0b e9 7f fe ff ff e8 e0 b7 da fd 0f 0b e9 fe fe ff ff 89 d9 80\nRSP: 0018:ffffc90000c2fc58 EFLAGS: 00010293\nRAX: ffffffff836bdd14 RBX: 0000000000000000 RCX: ffff888104668000\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\nRBP: dffffc0000000000 R08: ffffffff836bdb89 R09: fffff52000185f64\nR10: dffffc0000000000 R11: fffff52000185f64 R12: dffffc0000000000\nR13: 1ffff92000185f98 R14: ffff88810754d880 R15: ffff8881007b7800\nFS: 000000001c772880(0000) GS:ffff88811b280000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007fb9fcf2e178 CR3: 00000001045d2002 CR4: 0000000000770ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nPKRU: 55555554\nCall Trace:\n <TASK>\n inet_accept+0x138/0x1d0 net/ipv4/af_inet.c:786\n do_accept+0x435/0x620 net/socket.c:1929\n __sys_accept4_file net/socket.c:1969 [inline]\n __sys_accept4+0x9b/0x110 net/socket.c:1999\n __do_sys_accept net/socket.c:2016 [inline]\n __se_sys_accept net/socket.c:2013 [inline]\n __x64_sys_accept+0x7d/0x90 net/socket.c:2013\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0x58/0x100 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\nRIP: 0033:0x4315f9\nCode: fd ff 48 81 c4 80 00 00 00 e9 f1 fe ff ff 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 ab b4 fd ff c3 66 2e 0f 1f 84 00 00 00 00\nRSP: 002b:00007ffdb26d9c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002b\nRAX: ffffffffffffffda RBX: 0000000000400300 RCX: 00000000004315f9\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004\nRBP: 00000000006e1018 R08: 0000000000400300 R09: 0000000000400300\nR10: 0000000000400300 R11: 0000000000000246 R12: 0000000000000000\nR13: 000000000040cdf0 R14: 000000000040ce80 R15: 0000000000000055\n </TASK>\n\nThe reproducer invokes shutdown() before entering the listener status.\nAfter commit 94062790aedb (\"tcp: defer shutdown(SEND_SHUTDOWN) for\nTCP_SYN_RECV sockets\"), the above causes the child to reach the accept\nsyscall in FIN_WAIT1 status.\n\nEric noted we can relax the existing assertion in __inet_accept()"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ipv4/af_inet.c"], "versions": [{"version": "34e41a031fd7523bf1cd00a2adca2370aebea270", "lessThan": "7de00adc9bd035d861ba4177848ca0bfa5ed1e04", "status": "affected", "versionType": "git"}, {"version": "ed5e279b69e007ce6c0fe82a5a534c1b19783214", "lessThan": "59801e88c99f7c3f44a4d20af6ba6417aa359b5d", "status": "affected", "versionType": "git"}, {"version": "413c33b9f3bc36fdf719690a78824db9f88a9485", 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"semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.33", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.9.4", "versionType": "semver", "lessThanOrEqual": "6.9.*"}, {"status": "unaffected", "version": "6.10", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/ipv4/af_inet.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/7de00adc9bd035d861ba4177848ca0bfa5ed1e04"}, {"url": "https://git.kernel.org/stable/c/59801e88c99f7c3f44a4d20af6ba6417aa359b5d"}, {"url": "https://git.kernel.org/stable/c/6e03006548c66b979f4e5e9fc797aac4dad82822"}, {"url": "https://git.kernel.org/stable/c/21c14c556cccd0cb54b71ec5e901e64ba84c7165"}, {"url": "https://git.kernel.org/stable/c/c09ddc605893df542c6cf8dde6a57a93f7cf0adb"}, {"url": "https://git.kernel.org/stable/c/87bdc9f6f58b4417362d6932b49b828e319f97dc"}, {"url": "https://git.kernel.org/stable/c/5f9a04a94fd1894d7009055ab8e5832a0242dba3"}, {"url": "https://git.kernel.org/stable/c/26afda78cda3da974fd4c287962c169e9462c495"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: relax socket state check at accept time.\n\nChristoph reported the following splat:\n\nWARNING: CPU: 1 PID: 772 at net/ipv4/af_inet.c:761 __inet_accept+0x1f4/0x4a0\nModules linked in:\nCPU: 1 PID: 772 Comm: syz-executor510 Not tainted 6.9.0-rc7-g7da7119fe22b #56\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.0-2.el7 04/01/2014\nRIP: 0010:__inet_accept+0x1f4/0x4a0 net/ipv4/af_inet.c:759\nCode: 04 38 84 c0 0f 85 87 00 00 00 41 c7 04 24 03 00 00 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 ec b7 da fd <0f> 0b e9 7f fe ff ff e8 e0 b7 da fd 0f 0b e9 fe fe ff ff 89 d9 80\nRSP: 0018:ffffc90000c2fc58 EFLAGS: 00010293\nRAX: ffffffff836bdd14 RBX: 0000000000000000 RCX: ffff888104668000\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\nRBP: dffffc0000000000 R08: ffffffff836bdb89 R09: fffff52000185f64\nR10: dffffc0000000000 R11: fffff52000185f64 R12: dffffc0000000000\nR13: 1ffff92000185f98 R14: ffff88810754d880 R15: ffff8881007b7800\nFS: 000000001c772880(0000) GS:ffff88811b280000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007fb9fcf2e178 CR3: 00000001045d2002 CR4: 0000000000770ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nPKRU: 55555554\nCall Trace:\n <TASK>\n inet_accept+0x138/0x1d0 net/ipv4/af_inet.c:786\n do_accept+0x435/0x620 net/socket.c:1929\n __sys_accept4_file net/socket.c:1969 [inline]\n __sys_accept4+0x9b/0x110 net/socket.c:1999\n __do_sys_accept net/socket.c:2016 [inline]\n __se_sys_accept net/socket.c:2013 [inline]\n __x64_sys_accept+0x7d/0x90 net/socket.c:2013\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0x58/0x100 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\nRIP: 0033:0x4315f9\nCode: fd ff 48 81 c4 80 00 00 00 e9 f1 fe ff ff 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 ab b4 fd ff c3 66 2e 0f 1f 84 00 00 00 00\nRSP: 002b:00007ffdb26d9c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002b\nRAX: ffffffffffffffda RBX: 0000000000400300 RCX: 00000000004315f9\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004\nRBP: 00000000006e1018 R08: 0000000000400300 R09: 0000000000400300\nR10: 0000000000400300 R11: 0000000000000246 R12: 0000000000000000\nR13: 000000000040cdf0 R14: 000000000040ce80 R15: 0000000000000055\n </TASK>\n\nThe reproducer invokes shutdown() before entering the listener status.\nAfter commit 94062790aedb (\"tcp: defer shutdown(SEND_SHUTDOWN) for\nTCP_SYN_RECV sockets\"), the above causes the child to reach the accept\nsyscall in FIN_WAIT1 status.\n\nEric noted we can relax the existing assertion in __inet_accept()"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.19.319", "versionStartIncluding": "4.19.314"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.281", "versionStartIncluding": "5.4.276"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.223", "versionStartIncluding": "5.10.217"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.164", "versionStartIncluding": "5.15.159"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.93", "versionStartIncluding": "6.1.91"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.33", "versionStartIncluding": "6.6.31"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.9.4", "versionStartIncluding": "6.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.10", "versionStartIncluding": "6.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "6.8.10"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T15:46:54.530Z"}}}, "cveMetadata": {"cveId": "CVE-2024-36484", "state": "PUBLISHED", "dateUpdated": "2026-10-15T00:42:30.672Z", "dateReserved": "2024-06-21T10:12:11.494Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-06-21T10:18:09.672Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/ipv4/af_inet.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "7de00adc9bd035d861ba4177848ca0bfa5ed1e04", "status": "affected", "version": "34e41a031fd7523bf1cd00a2adca2370aebea270", "versionType": "git"}, {"lessThan": "59801e88c99f7c3f44a4d20af6ba6417aa359b5d", "status": "affected", "version": "ed5e279b69e007ce6c0fe82a5a534c1b19783214", "versionType": "git"}, {"lessThan": "6e03006548c66b979f4e5e9fc797aac4dad82822", "status": "affected", "version": "413c33b9f3bc36fdf719690a78824db9f88a9485", "versionType": "git"}, {"lessThan": "21c14c556cccd0cb54b71ec5e901e64ba84c7165", "status": "affected", "version": "2552c9d9440f8e7a2ed0660911ff00f25b90a0a4", "versionType": "git"}, {"lessThan": "c09ddc605893df542c6cf8dde6a57a93f7cf0adb", "status": "affected", "version": "3fe4ef0568a48369b1891395d13ac593b1ba41b1", "versionType": "git"}, {"lessThan": "87bdc9f6f58b4417362d6932b49b828e319f97dc", "status": "affected", "version": "f47d0d32fa94e815fdd78b8b88684873e67939f4", "versionType": "git"}, {"lessThan": "5f9a04a94fd1894d7009055ab8e5832a0242dba3", "status": "affected", "version": "94062790aedb505bdda209b10bea47b294d6394f", "versionType": "git"}, {"lessThan": "26afda78cda3da974fd4c287962c169e9462c495", "status": "affected", "version": "94062790aedb505bdda209b10bea47b294d6394f", "versionType": "git"}, {"status": "affected", "version": "cbf232ba11bc86a5281b4f00e1151349ef4d45cf", "versionType": "git"}, {"lessThan": "4.19.319", "status": "affected", "version": "4.19.314", "versionType": "semver"}, {"lessThan": "5.4.281", "status": "affected", "version": "5.4.276", "versionType": "semver"}, {"lessThan": "5.10.223", "status": "affected", "version": "5.10.217", "versionType": "semver"}, {"lessThan": "5.15.164", "status": "affected", "version": "5.15.159", "versionType": "semver"}, {"lessThan": "6.1.93", "status": "affected", "version": "6.1.91", "versionType": "semver"}, {"lessThan": "6.6.33", "status": "affected", "version": "6.6.31", "versionType": "semver"}, {"lessThan": "6.9", "status": "affected", "version": "6.8.10", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/ipv4/af_inet.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.9"}, {"lessThan": "6.9", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "4.19.*", "status": "unaffected", "version": "4.19.319", "versionType": "semver"}, {"lessThanOrEqual": "5.4.*", "status": "unaffected", "version": "5.4.281", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.223", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.164", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.93", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.33", "versionType": "semver"}, {"lessThanOrEqual": "6.9.*", "status": "unaffected", "version": "6.9.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.10", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"affectedData": [{"defaultStatus": "unknown", "product": "RUGGEDCOM RST2428P", "vendor": "Siemens", "versions": [{"lessThan": "V3.1", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family", "vendor": "Siemens", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SCALANCE XCM-/XRM-/XCH-/XRH-300 family", "vendor": "Siemens", "versions": [{"lessThan": "V3.1", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP", "vendor": "Siemens", "versions": [{"lessThan": "V3.1.5", "status": "affected", "version": "V3.1.0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP", "vendor": "Siemens", "versions": [{"lessThan": "V3.1.5", "status": "affected", "version": "V3.1.0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP", "vendor": "Siemens", "versions": [{"lessThan": "V3.1.5", "status": "affected", "version": "V3.1.0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP", "vendor": "Siemens", "versions": [{"lessThan": "V3.1.5", "status": "affected", "version": "V3.1.0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem", "vendor": "Siemens", "versions": [{"lessThan": "V1.1.1", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP", "vendor": "Siemens", "versions": [{"lessThan": "V3.1.5", "status": "affected", "version": "V3.1.0", "versionType": "custom"}]}], "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "AEFAE17A-08C1-4AE8-B8DD-2F0B4DA8DA09", "versionEndExcluding": "4.19.319", "versionStartIncluding": "4.19.314", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "DA77EC0F-3572-49B9-B236-C2474093F6F4", "versionEndExcluding": "5.4.281", "versionStartIncluding": "5.4.276", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "99DB4EBF-0E6A-490C-8706-54FB196C6D50", "versionEndExcluding": "5.10.223", "versionStartIncluding": "5.10.217", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2180263C-0E02-459D-97C8-58471EE15068", "versionEndExcluding": "5.15.164", "versionStartIncluding": "5.15.159", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E724FE21-9A18-4C03-AAD0-A763BF601BC3", "versionEndExcluding": "6.1.93", "versionStartIncluding": "6.1.91", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "EBA79EF3-F48A-48E1-9ED3-4C94AAAFDB64", "versionEndExcluding": "6.6.33", "versionStartIncluding": "6.6.31", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "DD26A649-FB0B-4A7B-A16B-A9D27807D7E9", "versionEndExcluding": "6.9", "versionStartIncluding": "6.8.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "7FAF1441-65A0-4D89-B3F5-15DB8612945A", "versionEndExcluding": "6.9.4", "versionStartIncluding": "6.9.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.9:-:*:*:*:*:*:*", "matchCriteriaId": "3F2A4A3D-068A-4CF2-A09F-9C7937DDB0A5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: relax socket state check at accept time.\n\nChristoph reported the following splat:\n\nWARNING: CPU: 1 PID: 772 at net/ipv4/af_inet.c:761 __inet_accept+0x1f4/0x4a0\nModules linked in:\nCPU: 1 PID: 772 Comm: syz-executor510 Not tainted 6.9.0-rc7-g7da7119fe22b #56\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.0-2.el7 04/01/2014\nRIP: 0010:__inet_accept+0x1f4/0x4a0 net/ipv4/af_inet.c:759\nCode: 04 38 84 c0 0f 85 87 00 00 00 41 c7 04 24 03 00 00 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 ec b7 da fd <0f> 0b e9 7f fe ff ff e8 e0 b7 da fd 0f 0b e9 fe fe ff ff 89 d9 80\nRSP: 0018:ffffc90000c2fc58 EFLAGS: 00010293\nRAX: ffffffff836bdd14 RBX: 0000000000000000 RCX: ffff888104668000\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\nRBP: dffffc0000000000 R08: ffffffff836bdb89 R09: fffff52000185f64\nR10: dffffc0000000000 R11: fffff52000185f64 R12: dffffc0000000000\nR13: 1ffff92000185f98 R14: ffff88810754d880 R15: ffff8881007b7800\nFS: 000000001c772880(0000) GS:ffff88811b280000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007fb9fcf2e178 CR3: 00000001045d2002 CR4: 0000000000770ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nPKRU: 55555554\nCall Trace:\n <TASK>\n inet_accept+0x138/0x1d0 net/ipv4/af_inet.c:786\n do_accept+0x435/0x620 net/socket.c:1929\n __sys_accept4_file net/socket.c:1969 [inline]\n __sys_accept4+0x9b/0x110 net/socket.c:1999\n __do_sys_accept net/socket.c:2016 [inline]\n __se_sys_accept net/socket.c:2013 [inline]\n __x64_sys_accept+0x7d/0x90 net/socket.c:2013\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0x58/0x100 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\nRIP: 0033:0x4315f9\nCode: fd ff 48 81 c4 80 00 00 00 e9 f1 fe ff ff 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 ab b4 fd ff c3 66 2e 0f 1f 84 00 00 00 00\nRSP: 002b:00007ffdb26d9c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002b\nRAX: ffffffffffffffda RBX: 0000000000400300 RCX: 00000000004315f9\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004\nRBP: 00000000006e1018 R08: 0000000000400300 R09: 0000000000400300\nR10: 0000000000400300 R11: 0000000000000246 R12: 0000000000000000\nR13: 000000000040cdf0 R14: 000000000040ce80 R15: 0000000000000055\n </TASK>\n\nThe reproducer invokes shutdown() before entering the listener status.\nAfter commit 94062790aedb (\"tcp: defer shutdown(SEND_SHUTDOWN) for\nTCP_SYN_RECV sockets\"), the above causes the child to reach the accept\nsyscall in FIN_WAIT1 status.\n\nEric noted we can relax the existing assertion in __inet_accept()"}, {"lang": "es", "value": "En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: net: relajaci\u00f3n del estado del socket en el momento de la aceptaci\u00f3n. Christoph inform\u00f3 el siguiente s\u00edmbolo: ADVERTENCIA: CPU: 1 PID: 772 en net/ipv4/af_inet.c:761 __inet_accept+0x1f4/0x4a0 M\u00f3dulos vinculados en: CPU: 1 PID: 772 Comunicaciones: syz-executor510 No contaminado 6.9.0- rc7-g7da7119fe22b #56 Nombre del hardware: PC est\u00e1ndar QEMU (i440FX + PIIX, 1996), BIOS 1.11.0-2.el7 01/04/2014 RIP: 0010:__inet_accept+0x1f4/0x4a0 net/ipv4/af_inet.c:759 C\u00f3digo: 04 38 84 c0 0f 85 87 00 00 00 41 c7 04 24 03 00 00 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 ec b7 da fd &lt;0f&gt; 0b 7f fe ff ff e8 e0 b7 da fd 0f 0b e9 fe fe ff ff 89 d9 80 RSP: 0018:ffffc90000c2fc58 EFLAGS: 00010293 RAX: ffffffff836bdd14 RBX: 0000000000000000 RCX: ffff88810466 8000 RDX: 0000000000000000 RSI: 00000000000000000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff836bdb89 R09: fffff52000185f64 R10: dffffc0000000000 R11: fffff52000185f64 R12: dffffc0000000000 R13: 1ffff92000185f98 R14: ffff88810754d880 R15: 7b7800 FS: 000000001c772880(0000) GS:ffff88811b280000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb9fcf2e178 CR3: 00000001045d2002 CR4: 0000000000770ef0 DR0: 0000000000000000 DR1: 00000000000000000 DR2: 0000000000000000 DR3: 000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Seguimiento de llamadas: inet_accept+0x138/0x1d0 net/ipv4/af_inet.c:786 do_accept+ 0x435/0x620 net/socket.c:1929 __sys_accept4_file net/socket.c:1969 [en l\u00ednea] __sys_accept4+0x9b/0x110 net/socket.c:1999 __do_sys_accept net/socket.c:2016 [en l\u00ednea] __se_sys_accept net/socket.c : 2013 [en l\u00ednea] __x64_sys_accept+0x7d/0x90 net/Socket.c: 2013 do_syscall_x64 arch/x86/entry/comunes.c: 52 [inline] do_syscall_64+0x58/0x100 arch/x86/entry/comunes 0x76/0x7e RIP: 0033:0x4315f9 C\u00f3digo: fd ff 48 81 c4 80 00 00 00 e9 f1 fe ff ff 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c b 4c 24 08 0f 05 &lt;48&gt; 3d 01 f0 ff ff 0f 83 ab b4 fd ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffdb26d9c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002 b RAX: ffffffffffffffda RBX: 0000000000400300 RCX: 00000000004315f9 RDX: 0000000000000000 RSI : 0000000000000000 RDI: 0000000000000004 RBP: 00000000006e1018 R08: 0000000000400300 R09: 0000000000400300 R10: 0000000000400300 1: 0000000000000246 R12: 0000000000000000 R13: 000000000040cdf0 R14: 000000000040ce80 R15: 0000000000000055 El reproductor invoca el apagado() antes de ingresar al estado de escucha. Despu\u00e9s de confirmar 94062790aedb (\"tcp: aplazar el apagado (SEND_SHUTDOWN) para sockets TCP_SYN_RECV\"), lo anterior hace que el ni\u00f1o alcance la llamada al sistema de aceptaci\u00f3n en el estado FIN_WAIT1. Eric not\u00f3 que podemos relajar la afirmaci\u00f3n existente en __inet_accept()"}], "id": "CVE-2024-36484", "lastModified": "2026-10-15T01:18:22.763", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-36484", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-06-21T13:58:06.399872Z", "version": "2.0.3"}}]}, "published": "2024-06-21T11:15:10.437", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/21c14c556cccd0cb54b71ec5e901e64ba84c7165"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/26afda78cda3da974fd4c287962c169e9462c495"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/59801e88c99f7c3f44a4d20af6ba6417aa359b5d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5f9a04a94fd1894d7009055ab8e5832a0242dba3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6e03006548c66b979f4e5e9fc797aac4dad82822"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7de00adc9bd035d861ba4177848ca0bfa5ed1e04"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/87bdc9f6f58b4417362d6932b49b828e319f97dc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c09ddc605893df542c6cf8dde6a57a93f7cf0adb"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/21c14c556cccd0cb54b71ec5e901e64ba84c7165"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/26afda78cda3da974fd4c287962c169e9462c495"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/59801e88c99f7c3f44a4d20af6ba6417aa359b5d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5f9a04a94fd1894d7009055ab8e5832a0242dba3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6e03006548c66b979f4e5e9fc797aac4dad82822"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7de00adc9bd035d861ba4177848ca0bfa5ed1e04"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/87bdc9f6f58b4417362d6932b49b828e319f97dc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c09ddc605893df542c6cf8dde6a57a93f7cf0adb"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-355557.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-398330.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-613116.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: net: relax socket state check at accept time.", "id": "2293690", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2293690"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-99", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: relax socket state check at accept time.\nChristoph reported the following splat:\nWARNING: CPU: 1 PID: 772 at net/ipv4/af_inet.c:761 __inet_accept+0x1f4/0x4a0\nModules linked in:\nCPU: 1 PID: 772 Comm: syz-executor510 Not tainted 6.9.0-rc7-g7da7119fe22b #56\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.0-2.el7 04/01/2014\nRIP: 0010:__inet_accept+0x1f4/0x4a0 net/ipv4/af_inet.c:759\nCode: 04 38 84 c0 0f 85 87 00 00 00 41 c7 04 24 03 00 00 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 ec b7 da fd <0f> 0b e9 7f fe ff ff e8 e0 b7 da fd 0f 0b e9 fe fe ff ff 89 d9 80\nRSP: 0018:ffffc90000c2fc58 EFLAGS: 00010293\nRAX: ffffffff836bdd14 RBX: 0000000000000000 RCX: ffff888104668000\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\nRBP: dffffc0000000000 R08: ffffffff836bdb89 R09: fffff52000185f64\nR10: dffffc0000000000 R11: fffff52000185f64 R12: dffffc0000000000\nR13: 1ffff92000185f98 R14: ffff88810754d880 R15: ffff8881007b7800\nFS: 000000001c772880(0000) GS:ffff88811b280000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007fb9fcf2e178 CR3: 00000001045d2002 CR4: 0000000000770ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nPKRU: 55555554\nCall Trace:\n<TASK>\ninet_accept+0x138/0x1d0 net/ipv4/af_inet.c:786\ndo_accept+0x435/0x620 net/socket.c:1929\n__sys_accept4_file net/socket.c:1969 [inline]\n__sys_accept4+0x9b/0x110 net/socket.c:1999\n__do_sys_accept net/socket.c:2016 [inline]\n__se_sys_accept net/socket.c:2013 [inline]\n__x64_sys_accept+0x7d/0x90 net/socket.c:2013\ndo_syscall_x64 arch/x86/entry/common.c:52 [inline]\ndo_syscall_64+0x58/0x100 arch/x86/entry/common.c:83\nentry_SYSCALL_64_after_hwframe+0x76/0x7e\nRIP: 0033:0x4315f9\nCode: fd ff 48 81 c4 80 00 00 00 e9 f1 fe ff ff 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 ab b4 fd ff c3 66 2e 0f 1f 84 00 00 00 00\nRSP: 002b:00007ffdb26d9c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002b\nRAX: ffffffffffffffda RBX: 0000000000400300 RCX: 00000000004315f9\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004\nRBP: 00000000006e1018 R08: 0000000000400300 R09: 0000000000400300\nR10: 0000000000400300 R11: 0000000000000246 R12: 0000000000000000\nR13: 000000000040cdf0 R14: 000000000040ce80 R15: 0000000000000055\n</TASK>\nThe reproducer invokes shutdown() before entering the listener status.\nAfter commit 94062790aedb (\"tcp: defer shutdown(SEND_SHUTDOWN) for\nTCP_SYN_RECV sockets\"), the above causes the child to reach the accept\nsyscall in FIN_WAIT1 status.\nEric noted we can relax the existing assertion in __inet_accept()"], "name": "CVE-2024-36484", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-06-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-36484\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-36484\nhttps://lore.kernel.org/linux-cve-announce/2024062136-CVE-2024-36484-375b@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-07-13T11:22:12.289932+00:00", "updated": "2025-07-13T11:22:12.289994+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}