{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-39812", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T07:20:57.137Z", "datePublished": "2025-09-16T13:00:14.103Z", "dateUpdated": "2025-11-03T17:43:36.526Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-09-29T05:59:56.151Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsctp: initialize more fields in sctp_v6_from_sk()\n\nsyzbot found that sin6_scope_id was not properly initialized,\nleading to undefined behavior.\n\nClear sin6_scope_id and sin6_flowinfo.\n\nBUG: KMSAN: uninit-value in __sctp_v6_cmp_addr+0x887/0x8c0 net/sctp/ipv6.c:649\n __sctp_v6_cmp_addr+0x887/0x8c0 net/sctp/ipv6.c:649\n sctp_inet6_cmp_addr+0x4f2/0x510 net/sctp/ipv6.c:983\n sctp_bind_addr_conflict+0x22a/0x3b0 net/sctp/bind_addr.c:390\n sctp_get_port_local+0x21eb/0x2440 net/sctp/socket.c:8452\n sctp_get_port net/sctp/socket.c:8523 [inline]\n sctp_listen_start net/sctp/socket.c:8567 [inline]\n sctp_inet_listen+0x710/0xfd0 net/sctp/socket.c:8636\n __sys_listen_socket net/socket.c:1912 [inline]\n __sys_listen net/socket.c:1927 [inline]\n __do_sys_listen net/socket.c:1932 [inline]\n __se_sys_listen net/socket.c:1930 [inline]\n __x64_sys_listen+0x343/0x4c0 net/socket.c:1930\n x64_sys_call+0x271d/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:51\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nLocal variable addr.i.i created at:\n sctp_get_port net/sctp/socket.c:8515 [inline]\n sctp_listen_start net/sctp/socket.c:8567 [inline]\n sctp_inet_listen+0x650/0xfd0 net/sctp/socket.c:8636\n __sys_listen_socket net/socket.c:1912 [inline]\n __sys_listen net/socket.c:1927 [inline]\n __do_sys_listen net/socket.c:1932 [inline]\n __se_sys_listen net/socket.c:1930 [inline]\n __x64_sys_listen+0x343/0x4c0 net/socket.c:1930"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/sctp/ipv6.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "45e4b36593edffb7bbee5828ae820bc10a9fa0f3", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "9546934c2054bba1bd605c44e936619159a34027", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "17d6c7747045e9b802c2f5dfaba260d309d831ae", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "65b4693d8bab5370cfcb44a275b4d8dcb06e56bf", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "463aa96fca6209bb205f49f7deea3817d7ddaa3a", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "1bbc0c02aea1f1c405bd1271466889c25a1fe01b", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "f6c2cc99fc2387ba6499facd6108f6543382792d", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "2e8750469242cad8f01f320131fd5a6f540dbb99", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/sctp/ipv6.c"], "versions": [{"version": "2.6.12", "status": "affected"}, {"version": "0", "lessThan": "2.6.12", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.298", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.242", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.191", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.150", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.104", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.45", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16.5", "lessThanOrEqual": "6.16.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17", "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": "2.6.12", "versionEndExcluding": "5.4.298"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "5.10.242"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "5.15.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.1.150"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.6.104"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.12.45"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.16.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.17"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/45e4b36593edffb7bbee5828ae820bc10a9fa0f3"}, {"url": "https://git.kernel.org/stable/c/9546934c2054bba1bd605c44e936619159a34027"}, {"url": "https://git.kernel.org/stable/c/17d6c7747045e9b802c2f5dfaba260d309d831ae"}, {"url": "https://git.kernel.org/stable/c/65b4693d8bab5370cfcb44a275b4d8dcb06e56bf"}, {"url": "https://git.kernel.org/stable/c/463aa96fca6209bb205f49f7deea3817d7ddaa3a"}, {"url": "https://git.kernel.org/stable/c/1bbc0c02aea1f1c405bd1271466889c25a1fe01b"}, {"url": "https://git.kernel.org/stable/c/f6c2cc99fc2387ba6499facd6108f6543382792d"}, {"url": "https://git.kernel.org/stable/c/2e8750469242cad8f01f320131fd5a6f540dbb99"}], "title": "sctp: initialize more fields in sctp_v6_from_sk()", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T17:43:36.526Z"}}]}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsctp: initialize more fields in sctp_v6_from_sk()\n\nsyzbot found that sin6_scope_id was not properly initialized,\nleading to undefined behavior.\n\nClear sin6_scope_id and sin6_flowinfo.\n\nBUG: KMSAN: uninit-value in __sctp_v6_cmp_addr+0x887/0x8c0 net/sctp/ipv6.c:649\n __sctp_v6_cmp_addr+0x887/0x8c0 net/sctp/ipv6.c:649\n sctp_inet6_cmp_addr+0x4f2/0x510 net/sctp/ipv6.c:983\n sctp_bind_addr_conflict+0x22a/0x3b0 net/sctp/bind_addr.c:390\n sctp_get_port_local+0x21eb/0x2440 net/sctp/socket.c:8452\n sctp_get_port net/sctp/socket.c:8523 [inline]\n sctp_listen_start net/sctp/socket.c:8567 [inline]\n sctp_inet_listen+0x710/0xfd0 net/sctp/socket.c:8636\n __sys_listen_socket net/socket.c:1912 [inline]\n __sys_listen net/socket.c:1927 [inline]\n __do_sys_listen net/socket.c:1932 [inline]\n __se_sys_listen net/socket.c:1930 [inline]\n __x64_sys_listen+0x343/0x4c0 net/socket.c:1930\n x64_sys_call+0x271d/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:51\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nLocal variable addr.i.i created at:\n sctp_get_port net/sctp/socket.c:8515 [inline]\n sctp_listen_start net/sctp/socket.c:8567 [inline]\n sctp_inet_listen+0x650/0xfd0 net/sctp/socket.c:8636\n __sys_listen_socket net/socket.c:1912 [inline]\n __sys_listen net/socket.c:1927 [inline]\n __do_sys_listen net/socket.c:1932 [inline]\n __se_sys_listen net/socket.c:1930 [inline]\n __x64_sys_listen+0x343/0x4c0 net/socket.c:1930"}], "id": "CVE-2025-39812", "lastModified": "2025-11-03T18:16:48.263", "metrics": {}, "published": "2025-09-16T13:15:54.537", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/17d6c7747045e9b802c2f5dfaba260d309d831ae"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1bbc0c02aea1f1c405bd1271466889c25a1fe01b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2e8750469242cad8f01f320131fd5a6f540dbb99"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/45e4b36593edffb7bbee5828ae820bc10a9fa0f3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/463aa96fca6209bb205f49f7deea3817d7ddaa3a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/65b4693d8bab5370cfcb44a275b4d8dcb06e56bf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9546934c2054bba1bd605c44e936619159a34027"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f6c2cc99fc2387ba6499facd6108f6543382792d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: sctp: initialize more fields in sctp_v6_from_sk()", "id": "2395777", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2395777"}, "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"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-39812", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "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": "2025-09-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-39812\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-39812\nhttps://lore.kernel.org/linux-cve-announce/2025091614-CVE-2025-39812-8a89@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-09-17T10:04:19.937608+00:00", "updated": "2025-09-17T10:04:19.937643+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}