{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-68317","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-16T14:48:05.295Z","datePublished":"2025-12-16T15:39:47.159Z","dateUpdated":"2026-05-11T21:50:50.153Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:50:50.153Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring/zctx: check chained notif contexts\n\nSend zc only links ubuf_info for requests coming from the same context.\nThere are some ambiguous syz reports, so let's check the assumption on\nnotification completion."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["io_uring/notif.c"],"versions":[{"version":"6fe4220912d19152a26ce19713ab232f4263018d","lessThan":"aaafd17d3f4be2c15539359a5b4bfa00237f687f","status":"affected","versionType":"git"},{"version":"6fe4220912d19152a26ce19713ab232f4263018d","lessThan":"d664a3ce3a604231a0b144c152a3755d03b18b60","status":"affected","versionType":"git"},{"version":"6fe4220912d19152a26ce19713ab232f4263018d","lessThan":"ab3ea6eac5f45669b091309f592c4ea324003053","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/notif.c"],"versions":[{"version":"6.10","status":"affected"},{"version":"0","lessThan":"6.10","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":"6.10","versionEndExcluding":"6.12.58"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"6.17.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"6.18"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/aaafd17d3f4be2c15539359a5b4bfa00237f687f"},{"url":"https://git.kernel.org/stable/c/d664a3ce3a604231a0b144c152a3755d03b18b60"},{"url":"https://git.kernel.org/stable/c/ab3ea6eac5f45669b091309f592c4ea324003053"}],"title":"io_uring/zctx: check chained notif contexts","x_generator":{"engine":"bippy-1.2.0"}}}}