{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40331","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T07:20:57.186Z","datePublished":"2025-12-09T04:09:48.196Z","dateUpdated":"2026-05-11T21:47:18.148Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:47:18.148Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsctp: Prevent TOCTOU out-of-bounds write\n\nFor the following path not holding the sock lock,\n\n  sctp_diag_dump() -> sctp_for_each_endpoint() -> sctp_ep_dump()\n\nmake sure not to exceed bounds in case the address list has grown\nbetween buffer allocation (time-of-check) and write (time-of-use)."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/sctp/diag.c"],"versions":[{"version":"8f840e47f190cbe61a96945c13e9551048d42cef","lessThan":"b106a68df0650b694b254427cd9250c04500edd3","status":"affected","versionType":"git"},{"version":"8f840e47f190cbe61a96945c13e9551048d42cef","lessThan":"3006959371007fc2eae4a078f823c680fa52de1a","status":"affected","versionType":"git"},{"version":"8f840e47f190cbe61a96945c13e9551048d42cef","lessThan":"72e3fea68eac8d088e44c3dd954e843478e9240e","status":"affected","versionType":"git"},{"version":"8f840e47f190cbe61a96945c13e9551048d42cef","lessThan":"584307275b2048991b2e8984962189b6cc0a9b85","status":"affected","versionType":"git"},{"version":"8f840e47f190cbe61a96945c13e9551048d42cef","lessThan":"c9119f243d9c0da3c3b5f577a328de3e7ffd1b42","status":"affected","versionType":"git"},{"version":"8f840e47f190cbe61a96945c13e9551048d42cef","lessThan":"2fe08fcaacb7eb019fa9c81db39b2214de216677","status":"affected","versionType":"git"},{"version":"8f840e47f190cbe61a96945c13e9551048d42cef","lessThan":"89eac1e150dbd42963e13d23828cb8c4e0763196","status":"affected","versionType":"git"},{"version":"8f840e47f190cbe61a96945c13e9551048d42cef","lessThan":"95aef86ab231f047bb8085c70666059b58f53c09","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/diag.c"],"versions":[{"version":"4.7","status":"affected"},{"version":"0","lessThan":"4.7","status":"unaffected","versionType":"semver"},{"version":"5.4.302","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.247","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.197","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.159","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.117","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.58","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.17.8","lessThanOrEqual":"6.17.*","status":"unaffected","versionType":"semver"},{"version":"6.18","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":"4.7","versionEndExcluding":"5.4.302"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.10.247"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.15.197"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.1.159"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.6.117"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.12.58"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.17.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.18"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/b106a68df0650b694b254427cd9250c04500edd3"},{"url":"https://git.kernel.org/stable/c/3006959371007fc2eae4a078f823c680fa52de1a"},{"url":"https://git.kernel.org/stable/c/72e3fea68eac8d088e44c3dd954e843478e9240e"},{"url":"https://git.kernel.org/stable/c/584307275b2048991b2e8984962189b6cc0a9b85"},{"url":"https://git.kernel.org/stable/c/c9119f243d9c0da3c3b5f577a328de3e7ffd1b42"},{"url":"https://git.kernel.org/stable/c/2fe08fcaacb7eb019fa9c81db39b2214de216677"},{"url":"https://git.kernel.org/stable/c/89eac1e150dbd42963e13d23828cb8c4e0763196"},{"url":"https://git.kernel.org/stable/c/95aef86ab231f047bb8085c70666059b58f53c09"}],"title":"sctp: Prevent TOCTOU out-of-bounds write","x_generator":{"engine":"bippy-1.2.0"}}}}