{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46172","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-13T15:03:33.103Z","datePublished":"2026-05-28T09:36:26.926Z","dateUpdated":"2026-10-15T01:21:02.038Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-14T18:00:01.373Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: xfrm6: release dst on error in xfrm6_rcv_encap()\n\nxfrm6_rcv_encap() performs an IPv6 route lookup when the skb does not\nalready have a dst attached. ip6_route_input_lookup() returns a\nreferenced dst entry even when the lookup resolves to an error route.\n\nIf dst->error is set, xfrm6_rcv_encap() drops the skb without attaching\nthe dst to the skb and without releasing the reference returned by the\nlookup. Repeated packets hitting this path therefore leak dst entries.\n\nRelease the dst before jumping to the drop path."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv6/xfrm6_protocol.c"],"versions":[{"version":"0146dca70b877b73c5fd9c67912b8a0ca8a7bac7","lessThan":"a0721bcd72641c32b281f227a94505b31cf54117","status":"affected","versionType":"git"},{"version":"0146dca70b877b73c5fd9c67912b8a0ca8a7bac7","lessThan":"a20b34f6e854fe6f2aa82528fae7a88759919eb4","status":"affected","versionType":"git"},{"version":"0146dca70b877b73c5fd9c67912b8a0ca8a7bac7","lessThan":"870560015ce6e0d8f841c6a8aba33c44be52c727","status":"affected","versionType":"git"},{"version":"0146dca70b877b73c5fd9c67912b8a0ca8a7bac7","lessThan":"c2efc4956981066df2fef1cc77391b523db6d8e4","status":"affected","versionType":"git"},{"version":"0146dca70b877b73c5fd9c67912b8a0ca8a7bac7","lessThan":"554c9b090c8ac5b1c5c507f4badf8d5d0c9c6e13","status":"affected","versionType":"git"},{"version":"0146dca70b877b73c5fd9c67912b8a0ca8a7bac7","lessThan":"9d5047782f9bd2829e529df69209bf3232eb561f","status":"affected","versionType":"git"},{"version":"0146dca70b877b73c5fd9c67912b8a0ca8a7bac7","lessThan":"6a5eec0a2a0e99ec9743cf8f1c4082178811d90a","status":"affected","versionType":"git"},{"version":"0146dca70b877b73c5fd9c67912b8a0ca8a7bac7","lessThan":"bc0fcb9823cd0894934cf968b525c575833d7078","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/ipv6/xfrm6_protocol.c"],"versions":[{"version":"5.8","status":"affected"},{"version":"0","lessThan":"5.8","status":"unaffected","versionType":"semver"},{"version":"5.10.258","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.209","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.175","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.140","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.88","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.30","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.7","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","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":"5.8","versionEndExcluding":"5.10.258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"5.15.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"6.1.175"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"6.6.140"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"6.12.88"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"6.18.30"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"7.0.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/a0721bcd72641c32b281f227a94505b31cf54117"},{"url":"https://git.kernel.org/stable/c/a20b34f6e854fe6f2aa82528fae7a88759919eb4"},{"url":"https://git.kernel.org/stable/c/870560015ce6e0d8f841c6a8aba33c44be52c727"},{"url":"https://git.kernel.org/stable/c/c2efc4956981066df2fef1cc77391b523db6d8e4"},{"url":"https://git.kernel.org/stable/c/554c9b090c8ac5b1c5c507f4badf8d5d0c9c6e13"},{"url":"https://git.kernel.org/stable/c/9d5047782f9bd2829e529df69209bf3232eb561f"},{"url":"https://git.kernel.org/stable/c/6a5eec0a2a0e99ec9743cf8f1c4082178811d90a"},{"url":"https://git.kernel.org/stable/c/bc0fcb9823cd0894934cf968b525c575833d7078"}],"title":"ipv6: 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