{"id":"CVE-2026-97567","state":"PUBLISHED","title":"mptcp: prevent race between disconnect() and rtx","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: prevent race between disconnect() and rtx\n\nSashiko noted that the two event can race, leading to inconsistent\nstatus. Prevent the race using the synchronous timer stop operation.","publishedAt":"2026-09-25T10:21:53.677Z","updatedAt":"2026-10-30T12:37:28.529Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b29fcfb54cd70caca5b11c80d8d238854938884a","status":"affected","lessThan":"1a68a88369c0ab6309bd17f7e408290c5cb80dcf","versionType":"git"},{"version":"b29fcfb54cd70caca5b11c80d8d238854938884a","status":"affected","lessThan":"75b3b30ae4ee6aa0572595f6b48544ed4f479eb6","versionType":"git"},{"version":"b29fcfb54cd70caca5b11c80d8d238854938884a","status":"affected","lessThan":"2261f857ef4e0d21eb1a8b47b06640cf7ab16d3e","versionType":"git"},{"version":"b29fcfb54cd70caca5b11c80d8d238854938884a","status":"affected","lessThan":"374da2b9be1280695ce41f108334a8f16e3e54be","versionType":"git"},{"version":"b29fcfb54cd70caca5b11c80d8d238854938884a","status":"affected","lessThan":"69a7b2a912672159dda7dcf325d27752d448dfdf","versionType":"git"},{"version":"b29fcfb54cd70caca5b11c80d8d238854938884a","status":"affected","lessThan":"85c580b0d8590520ae00a15c29e9fb9c99427a3e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/mptcp/protocol.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.17","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.113","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.7","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/mptcp/protocol.c"]}],"references":["https://git.kernel.org/stable/c/1a68a88369c0ab6309bd17f7e408290c5cb80dcf","https://git.kernel.org/stable/c/75b3b30ae4ee6aa0572595f6b48544ed4f479eb6","https://git.kernel.org/stable/c/2261f857ef4e0d21eb1a8b47b06640cf7ab16d3e","https://git.kernel.org/stable/c/374da2b9be1280695ce41f108334a8f16e3e54be","https://git.kernel.org/stable/c/69a7b2a912672159dda7dcf325d27752d448dfdf","https://git.kernel.org/stable/c/85c580b0d8590520ae00a15c29e9fb9c99427a3e"],"weaknesses":[],"ingestedAt":"2026-10-30T12:56:04.490Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/97xxx/CVE-2026-97567.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-97567","state":"PUBLISHED","datePublished":"2026-09-25T10:21:53.677Z","dateUpdated":"2026-10-30T12:37:28.529Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-24T16:01:01.155Z"},"containers":{"cna":{"title":"mptcp: prevent race between disconnect() and rtx","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: prevent race between disconnect() and rtx\n\nSashiko noted that the two event can race, leading to inconsistent\nstatus. Prevent the race using the synchronous timer stop operation."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b29fcfb54cd70caca5b11c80d8d238854938884a","status":"affected","lessThan":"1a68a88369c0ab6309bd17f7e408290c5cb80dcf","versionType":"git"},{"version":"b29fcfb54cd70caca5b11c80d8d238854938884a","status":"affected","lessThan":"75b3b30ae4ee6aa0572595f6b48544ed4f479eb6","versionType":"git"},{"version":"b29fcfb54cd70caca5b11c80d8d238854938884a","status":"affected","lessThan":"2261f857ef4e0d21eb1a8b47b06640cf7ab16d3e","versionType":"git"},{"version":"b29fcfb54cd70caca5b11c80d8d238854938884a","status":"affected","lessThan":"374da2b9be1280695ce41f108334a8f16e3e54be","versionType":"git"},{"version":"b29fcfb54cd70caca5b11c80d8d238854938884a","status":"affected","lessThan":"69a7b2a912672159dda7dcf325d27752d448dfdf","versionType":"git"},{"version":"b29fcfb54cd70caca5b11c80d8d238854938884a","status":"affected","lessThan":"85c580b0d8590520ae00a15c29e9fb9c99427a3e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/mptcp/protocol.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.17","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.113","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.7","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/mptcp/protocol.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/1a68a88369c0ab6309bd17f7e408290c5cb80dcf"},{"url":"https://git.kernel.org/stable/c/75b3b30ae4ee6aa0572595f6b48544ed4f479eb6"},{"url":"https://git.kernel.org/stable/c/2261f857ef4e0d21eb1a8b47b06640cf7ab16d3e"},{"url":"https://git.kernel.org/stable/c/374da2b9be1280695ce41f108334a8f16e3e54be"},{"url":"https://git.kernel.org/stable/c/69a7b2a912672159dda7dcf325d27752d448dfdf"},{"url":"https://git.kernel.org/stable/c/85c580b0d8590520ae00a15c29e9fb9c99427a3e"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:37:28.529Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.12.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"7.2.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}