{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-68188","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-16T13:41:40.252Z","datePublished":"2025-12-16T13:43:10.680Z","dateUpdated":"2026-05-11T21:48:21.833Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:48:21.833Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check()\n\nUse RCU to avoid a pair of atomic operations and a potential\nUAF on dst_dev()->flags."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv4/tcp_fastopen.c"],"versions":[{"version":"cf1ef3f0719b4dcb74810ed507e2a2540f9811b4","lessThan":"bc2b881a0896c111c1041d8bb1f92a3b3873ace5","status":"affected","versionType":"git"},{"version":"cf1ef3f0719b4dcb74810ed507e2a2540f9811b4","lessThan":"06da08d9355bf8e2070459bbedbe372ccc02cc0e","status":"affected","versionType":"git"},{"version":"cf1ef3f0719b4dcb74810ed507e2a2540f9811b4","lessThan":"b62a59c18b692f892dcb8109c1c2e653b2abc95c","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/ipv4/tcp_fastopen.c"],"versions":[{"version":"4.12","status":"affected"},{"version":"0","lessThan":"4.12","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":"4.12","versionEndExcluding":"6.12.58"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.17.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.18"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/bc2b881a0896c111c1041d8bb1f92a3b3873ace5"},{"url":"https://git.kernel.org/stable/c/06da08d9355bf8e2070459bbedbe372ccc02cc0e"},{"url":"https://git.kernel.org/stable/c/b62a59c18b692f892dcb8109c1c2e653b2abc95c"}],"title":"tcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check()","x_generator":{"engine":"bippy-1.2.0"}}}}