{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31673","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-03-09T15:48:24.130Z","datePublished":"2026-04-25T08:46:49.246Z","dateUpdated":"2026-05-11T22:13:25.680Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:13:25.680Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\naf_unix: read UNIX_DIAG_VFS data under unix_state_lock\n\nExact UNIX diag lookups hold a reference to the socket, but not to\nu->path. Meanwhile, unix_release_sock() clears u->path under\nunix_state_lock() and drops the path reference after unlocking.\n\nRead the inode and device numbers for UNIX_DIAG_VFS while holding\nunix_state_lock(), then emit the netlink attribute after dropping the\nlock.\n\nThis keeps the VFS data stable while the reply is being built."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH"}}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/unix/diag.c"],"versions":[{"version":"5f7b0569460b7d8d01ca776430a00505a68b7584","lessThan":"b9232421a77a649c9376c99fdfc8cb7f79cad34c","status":"affected","versionType":"git"},{"version":"5f7b0569460b7d8d01ca776430a00505a68b7584","lessThan":"0c739f3785f84af695952c2bac8be2f45082c9b8","status":"affected","versionType":"git"},{"version":"5f7b0569460b7d8d01ca776430a00505a68b7584","lessThan":"900a4e0910e98b8caef117d5df00471fa438dcf9","status":"affected","versionType":"git"},{"version":"5f7b0569460b7d8d01ca776430a00505a68b7584","lessThan":"bdf206e740bf2919d818f132c8c9cc7ed91d11c0","status":"affected","versionType":"git"},{"version":"5f7b0569460b7d8d01ca776430a00505a68b7584","lessThan":"39897df386376912d561d4946499379effa1e7ef","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/unix/diag.c"],"versions":[{"version":"3.3","status":"affected"},{"version":"0","lessThan":"3.3","status":"unaffected","versionType":"semver"},{"version":"6.6.136","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.83","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.24","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.14","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","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":"3.3","versionEndExcluding":"6.6.136"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"6.12.83"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"6.18.24"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"6.19.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/b9232421a77a649c9376c99fdfc8cb7f79cad34c"},{"url":"https://git.kernel.org/stable/c/0c739f3785f84af695952c2bac8be2f45082c9b8"},{"url":"https://git.kernel.org/stable/c/900a4e0910e98b8caef117d5df00471fa438dcf9"},{"url":"https://git.kernel.org/stable/c/bdf206e740bf2919d818f132c8c9cc7ed91d11c0"},{"url":"https://git.kernel.org/stable/c/39897df386376912d561d4946499379effa1e7ef"}],"title":"af_unix: read UNIX_DIAG_VFS data under unix_state_lock","x_generator":{"engine":"bippy-1.2.0"}}}}