{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40047","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T07:20:57.156Z","datePublished":"2025-10-28T11:48:24.625Z","dateUpdated":"2026-05-11T21:41:27.261Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:41:27.261Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring/waitid: always prune wait queue entry in io_waitid_wait()\n\nFor a successful return, always remove our entry from the wait queue\nentry list. Previously this was skipped if a cancelation was in\nprogress, but this can race with another invocation of the wait queue\nentry callback."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["io_uring/waitid.c"],"versions":[{"version":"f31ecf671ddc498f20219453395794ff2383e06b","lessThan":"696ba6032081e617564a8113a001b8d7943cb928","status":"affected","versionType":"git"},{"version":"f31ecf671ddc498f20219453395794ff2383e06b","lessThan":"3e2205db2f0608898d535da1964e1b376aacfdaa","status":"affected","versionType":"git"},{"version":"f31ecf671ddc498f20219453395794ff2383e06b","lessThan":"2f8229d53d984c6a05b71ac9e9583d4354e3b91f","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["io_uring/waitid.c"],"versions":[{"version":"6.7","status":"affected"},{"version":"0","lessThan":"6.7","status":"unaffected","versionType":"semver"},{"version":"6.12.53","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.17.3","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":"6.7","versionEndExcluding":"6.12.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.17.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.18"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/696ba6032081e617564a8113a001b8d7943cb928"},{"url":"https://git.kernel.org/stable/c/3e2205db2f0608898d535da1964e1b376aacfdaa"},{"url":"https://git.kernel.org/stable/c/2f8229d53d984c6a05b71ac9e9583d4354e3b91f"}],"title":"io_uring/waitid: always prune wait queue entry in io_waitid_wait()","x_generator":{"engine":"bippy-1.2.0"}}}}