{"id":"CVE-2024-26708","state":"PUBLISHED","title":"mptcp: really cope with fastopen race","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: really cope with fastopen race\n\nFastopen and PM-trigger subflow shutdown can race, as reported by\nsyzkaller.\n\nIn my first attempt to close such race, I missed the fact that\nthe subflow status can change again before the subflow_state_change\ncallback is invoked.\n\nAddress the issue additionally copying with all the states directly\nreachable from TCP_FIN_WAIT1.","publishedAt":"2024-04-03T14:55:11.054Z","updatedAt":"2026-05-11T20:02:38.658Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1e777f39b4d75e599a3aac8e0f67d739474f198c","status":"affected","lessThan":"4bfe217e075d04e63c092df9d40c608e598c2ef2","versionType":"git"},{"version":"1e777f39b4d75e599a3aac8e0f67d739474f198c","status":"affected","lessThan":"e158fb9679d15a2317ec13b4f6301bd26265df2f","versionType":"git"},{"version":"1e777f39b4d75e599a3aac8e0f67d739474f198c","status":"affected","lessThan":"337cebbd850f94147cee05252778f8f78b8c337f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/mptcp/protocol.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.2","versionType":"semver"},{"version":"6.6.18","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7.6","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","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.h"]}],"references":["https://git.kernel.org/stable/c/4bfe217e075d04e63c092df9d40c608e598c2ef2","https://git.kernel.org/stable/c/e158fb9679d15a2317ec13b4f6301bd26265df2f","https://git.kernel.org/stable/c/337cebbd850f94147cee05252778f8f78b8c337f"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:10.607Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/26xxx/CVE-2024-26708.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-26708","state":"PUBLISHED","datePublished":"2024-04-03T14:55:11.054Z","dateUpdated":"2026-05-11T20:02:38.658Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-02-19T14:20:24.158Z"},"containers":{"cna":{"title":"mptcp: 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