{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31496","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-03-09T15:48:24.102Z","datePublished":"2026-04-22T13:54:18.287Z","dateUpdated":"2026-05-11T22:09:51.412Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:09:51.412Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_conntrack_expect: skip expectations in other netns via proc\n\nSkip expectations that do not reside in this netns.\n\nSimilar to e77e6ff502ea (\"netfilter: conntrack: do not dump other netns's\nconntrack entries via proc\")."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netfilter/nf_conntrack_expect.c"],"versions":[{"version":"9b03f38d0487f3908696242286d934c9b38f9d2a","lessThan":"2028405ea6987b4448784e439413202cfe19f43f","status":"affected","versionType":"git"},{"version":"9b03f38d0487f3908696242286d934c9b38f9d2a","lessThan":"168145c87444619e3e649322bbe7719ecd00d411","status":"affected","versionType":"git"},{"version":"9b03f38d0487f3908696242286d934c9b38f9d2a","lessThan":"dcfcd95b3ae7683e8ae55c92284b3430ce614bc7","status":"affected","versionType":"git"},{"version":"9b03f38d0487f3908696242286d934c9b38f9d2a","lessThan":"9ca8c7452493d915f9bbf2f39331e6c583d07a23","status":"affected","versionType":"git"},{"version":"9b03f38d0487f3908696242286d934c9b38f9d2a","lessThan":"3265ad619987cb551edaf797ed056d80ac450225","status":"affected","versionType":"git"},{"version":"9b03f38d0487f3908696242286d934c9b38f9d2a","lessThan":"3db5647984de03d9cae0dcddb509b058351f0ee4","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/netfilter/nf_conntrack_expect.c"],"versions":[{"version":"2.6.28","status":"affected"},{"version":"0","lessThan":"2.6.28","status":"unaffected","versionType":"semver"},{"version":"6.1.168","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.131","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.80","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.21","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.11","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":"2.6.28","versionEndExcluding":"6.1.168"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.28","versionEndExcluding":"6.6.131"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.28","versionEndExcluding":"6.12.80"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.28","versionEndExcluding":"6.18.21"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.28","versionEndExcluding":"6.19.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.28","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/2028405ea6987b4448784e439413202cfe19f43f"},{"url":"https://git.kernel.org/stable/c/168145c87444619e3e649322bbe7719ecd00d411"},{"url":"https://git.kernel.org/stable/c/dcfcd95b3ae7683e8ae55c92284b3430ce614bc7"},{"url":"https://git.kernel.org/stable/c/9ca8c7452493d915f9bbf2f39331e6c583d07a23"},{"url":"https://git.kernel.org/stable/c/3265ad619987cb551edaf797ed056d80ac450225"},{"url":"https://git.kernel.org/stable/c/3db5647984de03d9cae0dcddb509b058351f0ee4"}],"title":"netfilter: nf_conntrack_expect: skip expectations in other netns via proc","x_generator":{"engine":"bippy-1.2.0"}}}}