{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-38032", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:23.978Z", "datePublished": "2025-06-18T09:33:19.542Z", "dateUpdated": "2025-06-18T09:33:19.542Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-06-18T09:33:19.542Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmr: consolidate the ipmr_can_free_table() checks.\n\nGuoyu Yin reported a splat in the ipmr netns cleanup path:\n\nWARNING: CPU: 2 PID: 14564 at net/ipv4/ipmr.c:440 ipmr_free_table net/ipv4/ipmr.c:440 [inline]\nWARNING: CPU: 2 PID: 14564 at net/ipv4/ipmr.c:440 ipmr_rules_exit+0x135/0x1c0 net/ipv4/ipmr.c:361\nModules linked in:\nCPU: 2 UID: 0 PID: 14564 Comm: syz.4.838 Not tainted 6.14.0 #1\nHardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\nRIP: 0010:ipmr_free_table net/ipv4/ipmr.c:440 [inline]\nRIP: 0010:ipmr_rules_exit+0x135/0x1c0 net/ipv4/ipmr.c:361\nCode: ff df 48 c1 ea 03 80 3c 02 00 75 7d 48 c7 83 60 05 00 00 00 00 00 00 5b 5d 41 5c 41 5d 41 5e e9 71 67 7f 00 e8 4c 2d 8a fd 90 <0f> 0b 90 eb 93 e8 41 2d 8a fd 0f b6 2d 80 54 ea 01 31 ff 89 ee e8\nRSP: 0018:ffff888109547c58 EFLAGS: 00010293\nRAX: 0000000000000000 RBX: ffff888108c12dc0 RCX: ffffffff83e09868\nRDX: ffff8881022b3300 RSI: ffffffff83e098d4 RDI: 0000000000000005\nRBP: ffff888104288000 R08: 0000000000000000 R09: ffffed10211825c9\nR10: 0000000000000001 R11: ffff88801816c4a0 R12: 0000000000000001\nR13: ffff888108c13320 R14: ffff888108c12dc0 R15: fffffbfff0b74058\nFS: 00007f84f39316c0(0000) GS:ffff88811b100000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f84f3930f98 CR3: 0000000113b56000 CR4: 0000000000350ef0\nCall Trace:\n <TASK>\n ipmr_net_exit_batch+0x50/0x90 net/ipv4/ipmr.c:3160\n ops_exit_list+0x10c/0x160 net/core/net_namespace.c:177\n setup_net+0x47d/0x8e0 net/core/net_namespace.c:394\n copy_net_ns+0x25d/0x410 net/core/net_namespace.c:516\n create_new_namespaces+0x3f6/0xaf0 kernel/nsproxy.c:110\n unshare_nsproxy_namespaces+0xc3/0x180 kernel/nsproxy.c:228\n ksys_unshare+0x78d/0x9a0 kernel/fork.c:3342\n __do_sys_unshare kernel/fork.c:3413 [inline]\n __se_sys_unshare kernel/fork.c:3411 [inline]\n __x64_sys_unshare+0x31/0x40 kernel/fork.c:3411\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xa6/0x1a0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7f84f532cc29\nCode: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007f84f3931038 EFLAGS: 00000246 ORIG_RAX: 0000000000000110\nRAX: ffffffffffffffda RBX: 00007f84f5615fa0 RCX: 00007f84f532cc29\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000400\nRBP: 00007f84f53fba18 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000\nR13: 0000000000000000 R14: 00007f84f5615fa0 R15: 00007fff51c5f328\n </TASK>\n\nThe running kernel has CONFIG_IP_MROUTE_MULTIPLE_TABLES disabled, and\nthe sanity check for such build is still too loose.\n\nAddress the issue consolidating the relevant sanity check in a single\nhelper regardless of the kernel configuration. Also share it between\nthe ipv4 and ipv6 code."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/linux/mroute_base.h", "net/ipv4/ipmr.c", "net/ipv6/ip6mr.c"], "versions": [{"version": "50b94204446e1215af081fd713d7d566d9258e35", "lessThan": "1c518ae98302ab37786d5ba5d43e9ac6d6f894e3", "status": "affected", "versionType": "git"}, {"version": "50b94204446e1215af081fd713d7d566d9258e35", "lessThan": "c46286fdd6aa1d0e33c245bcffe9ff2428a777bd", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/linux/mroute_base.h", "net/ipv4/ipmr.c", "net/ipv6/ip6mr.c"], "versions": [{"version": "6.13", "status": "affected"}, {"version": "0", "lessThan": "6.13", "status": "unaffected", "versionType": "semver"}, {"version": "6.14.9", "lessThanOrEqual": "6.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "6.14.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "6.15"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/1c518ae98302ab37786d5ba5d43e9ac6d6f894e3"}, {"url": "https://git.kernel.org/stable/c/c46286fdd6aa1d0e33c245bcffe9ff2428a777bd"}], "title": "mr: consolidate the ipmr_can_free_table() checks.", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmr: consolidate the ipmr_can_free_table() checks.\n\nGuoyu Yin reported a splat in the ipmr netns cleanup path:\n\nWARNING: CPU: 2 PID: 14564 at net/ipv4/ipmr.c:440 ipmr_free_table net/ipv4/ipmr.c:440 [inline]\nWARNING: CPU: 2 PID: 14564 at net/ipv4/ipmr.c:440 ipmr_rules_exit+0x135/0x1c0 net/ipv4/ipmr.c:361\nModules linked in:\nCPU: 2 UID: 0 PID: 14564 Comm: syz.4.838 Not tainted 6.14.0 #1\nHardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\nRIP: 0010:ipmr_free_table net/ipv4/ipmr.c:440 [inline]\nRIP: 0010:ipmr_rules_exit+0x135/0x1c0 net/ipv4/ipmr.c:361\nCode: ff df 48 c1 ea 03 80 3c 02 00 75 7d 48 c7 83 60 05 00 00 00 00 00 00 5b 5d 41 5c 41 5d 41 5e e9 71 67 7f 00 e8 4c 2d 8a fd 90 <0f> 0b 90 eb 93 e8 41 2d 8a fd 0f b6 2d 80 54 ea 01 31 ff 89 ee e8\nRSP: 0018:ffff888109547c58 EFLAGS: 00010293\nRAX: 0000000000000000 RBX: ffff888108c12dc0 RCX: ffffffff83e09868\nRDX: ffff8881022b3300 RSI: ffffffff83e098d4 RDI: 0000000000000005\nRBP: ffff888104288000 R08: 0000000000000000 R09: ffffed10211825c9\nR10: 0000000000000001 R11: ffff88801816c4a0 R12: 0000000000000001\nR13: ffff888108c13320 R14: ffff888108c12dc0 R15: fffffbfff0b74058\nFS: 00007f84f39316c0(0000) GS:ffff88811b100000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f84f3930f98 CR3: 0000000113b56000 CR4: 0000000000350ef0\nCall Trace:\n <TASK>\n ipmr_net_exit_batch+0x50/0x90 net/ipv4/ipmr.c:3160\n ops_exit_list+0x10c/0x160 net/core/net_namespace.c:177\n setup_net+0x47d/0x8e0 net/core/net_namespace.c:394\n copy_net_ns+0x25d/0x410 net/core/net_namespace.c:516\n create_new_namespaces+0x3f6/0xaf0 kernel/nsproxy.c:110\n unshare_nsproxy_namespaces+0xc3/0x180 kernel/nsproxy.c:228\n ksys_unshare+0x78d/0x9a0 kernel/fork.c:3342\n __do_sys_unshare kernel/fork.c:3413 [inline]\n __se_sys_unshare kernel/fork.c:3411 [inline]\n __x64_sys_unshare+0x31/0x40 kernel/fork.c:3411\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xa6/0x1a0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7f84f532cc29\nCode: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007f84f3931038 EFLAGS: 00000246 ORIG_RAX: 0000000000000110\nRAX: ffffffffffffffda RBX: 00007f84f5615fa0 RCX: 00007f84f532cc29\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000400\nRBP: 00007f84f53fba18 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000\nR13: 0000000000000000 R14: 00007f84f5615fa0 R15: 00007fff51c5f328\n </TASK>\n\nThe running kernel has CONFIG_IP_MROUTE_MULTIPLE_TABLES disabled, and\nthe sanity check for such build is still too loose.\n\nAddress the issue consolidating the relevant sanity check in a single\nhelper regardless of the kernel configuration. Also share it between\nthe ipv4 and ipv6 code."}], "id": "CVE-2025-38032", "lastModified": "2025-06-18T13:46:52.973", "metrics": {}, "published": "2025-06-18T10:15:35.357", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1c518ae98302ab37786d5ba5d43e9ac6d6f894e3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c46286fdd6aa1d0e33c245bcffe9ff2428a777bd"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: mr: consolidate the ipmr_can_free_table() checks.", "id": "2373341", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373341"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmr: consolidate the ipmr_can_free_table() checks.\nGuoyu Yin reported a splat in the ipmr netns cleanup path:\nWARNING: CPU: 2 PID: 14564 at net/ipv4/ipmr.c:440 ipmr_free_table net/ipv4/ipmr.c:440 [inline]\nWARNING: CPU: 2 PID: 14564 at net/ipv4/ipmr.c:440 ipmr_rules_exit+0x135/0x1c0 net/ipv4/ipmr.c:361\nModules linked in:\nCPU: 2 UID: 0 PID: 14564 Comm: syz.4.838 Not tainted 6.14.0 #1\nHardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\nRIP: 0010:ipmr_free_table net/ipv4/ipmr.c:440 [inline]\nRIP: 0010:ipmr_rules_exit+0x135/0x1c0 net/ipv4/ipmr.c:361\nCode: ff df 48 c1 ea 03 80 3c 02 00 75 7d 48 c7 83 60 05 00 00 00 00 00 00 5b 5d 41 5c 41 5d 41 5e e9 71 67 7f 00 e8 4c 2d 8a fd 90 <0f> 0b 90 eb 93 e8 41 2d 8a fd 0f b6 2d 80 54 ea 01 31 ff 89 ee e8\nRSP: 0018:ffff888109547c58 EFLAGS: 00010293\nRAX: 0000000000000000 RBX: ffff888108c12dc0 RCX: ffffffff83e09868\nRDX: ffff8881022b3300 RSI: ffffffff83e098d4 RDI: 0000000000000005\nRBP: ffff888104288000 R08: 0000000000000000 R09: ffffed10211825c9\nR10: 0000000000000001 R11: ffff88801816c4a0 R12: 0000000000000001\nR13: ffff888108c13320 R14: ffff888108c12dc0 R15: fffffbfff0b74058\nFS: 00007f84f39316c0(0000) GS:ffff88811b100000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f84f3930f98 CR3: 0000000113b56000 CR4: 0000000000350ef0\nCall Trace:\n<TASK>\nipmr_net_exit_batch+0x50/0x90 net/ipv4/ipmr.c:3160\nops_exit_list+0x10c/0x160 net/core/net_namespace.c:177\nsetup_net+0x47d/0x8e0 net/core/net_namespace.c:394\ncopy_net_ns+0x25d/0x410 net/core/net_namespace.c:516\ncreate_new_namespaces+0x3f6/0xaf0 kernel/nsproxy.c:110\nunshare_nsproxy_namespaces+0xc3/0x180 kernel/nsproxy.c:228\nksys_unshare+0x78d/0x9a0 kernel/fork.c:3342\n__do_sys_unshare kernel/fork.c:3413 [inline]\n__se_sys_unshare kernel/fork.c:3411 [inline]\n__x64_sys_unshare+0x31/0x40 kernel/fork.c:3411\ndo_syscall_x64 arch/x86/entry/common.c:52 [inline]\ndo_syscall_64+0xa6/0x1a0 arch/x86/entry/common.c:83\nentry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7f84f532cc29\nCode: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007f84f3931038 EFLAGS: 00000246 ORIG_RAX: 0000000000000110\nRAX: ffffffffffffffda RBX: 00007f84f5615fa0 RCX: 00007f84f532cc29\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000400\nRBP: 00007f84f53fba18 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000\nR13: 0000000000000000 R14: 00007f84f5615fa0 R15: 00007fff51c5f328\n</TASK>\nThe running kernel has CONFIG_IP_MROUTE_MULTIPLE_TABLES disabled, and\nthe sanity check for such build is still too loose.\nAddress the issue consolidating the relevant sanity check in a single\nhelper regardless of the kernel configuration. Also share it between\nthe ipv4 and ipv6 code."], "name": "CVE-2025-38032", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "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": "2025-06-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38032\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38032\nhttps://lore.kernel.org/linux-cve-announce/2025061825-CVE-2025-38032-037c@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-06-23T08:53:48.094840+00:00", "updated": "2025-06-23T08:53:48.094885+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}