{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-49561","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-02-26T02:08:31.591Z","datePublished":"2025-02-26T02:14:06.030Z","dateUpdated":"2025-05-04T08:40:35.483Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T08:40:35.483Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: conntrack: re-fetch conntrack after insertion\n\nIn case the conntrack is clashing, insertion can free skb->_nfct and\nset skb->_nfct to the already-confirmed entry.\n\nThis wasn't found before because the conntrack entry and the extension\nspace used to free'd after an rcu grace period, plus the race needs\nevents enabled to trigger."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/net/netfilter/nf_conntrack_core.h"],"versions":[{"version":"71d8c47fc653711c41bc3282e5b0e605b3727956","lessThan":"e97222b785e70e8973281666d709baad6523d8af","status":"affected","versionType":"git"},{"version":"71d8c47fc653711c41bc3282e5b0e605b3727956","lessThan":"92a999d1963eed0df666284e20055136ceabd12f","status":"affected","versionType":"git"},{"version":"71d8c47fc653711c41bc3282e5b0e605b3727956","lessThan":"b16bb373988da3ceb0308381634117e18b6ec60d","status":"affected","versionType":"git"},{"version":"71d8c47fc653711c41bc3282e5b0e605b3727956","lessThan":"91a36ec160ec1a0c8f5352b772dffcbb0b6023e3","status":"affected","versionType":"git"},{"version":"71d8c47fc653711c41bc3282e5b0e605b3727956","lessThan":"01989d7eebb61c99bd4b88ebc8e261bd2f02caed","status":"affected","versionType":"git"},{"version":"71d8c47fc653711c41bc3282e5b0e605b3727956","lessThan":"04f9e9104c969d8ce10a4a43634f641ed082092d","status":"affected","versionType":"git"},{"version":"71d8c47fc653711c41bc3282e5b0e605b3727956","lessThan":"04e4a11dc723c52db7a36dc58f0d69ce6426f8f0","status":"affected","versionType":"git"},{"version":"71d8c47fc653711c41bc3282e5b0e605b3727956","lessThan":"56b14ecec97f39118bf85c9ac2438c5a949509ed","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/net/netfilter/nf_conntrack_core.h"],"versions":[{"version":"4.7","status":"affected"},{"version":"0","lessThan":"4.7","status":"unaffected","versionType":"semver"},{"version":"4.14.282","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.246","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.197","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.120","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.45","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.17.13","lessThanOrEqual":"5.17.*","status":"unaffected","versionType":"semver"},{"version":"5.18.2","lessThanOrEqual":"5.18.*","status":"unaffected","versionType":"semver"},{"version":"5.19","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":"4.7","versionEndExcluding":"4.14.282"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"4.19.246"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.4.197"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.10.120"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.15.45"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.17.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.18.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.19"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/e97222b785e70e8973281666d709baad6523d8af"},{"url":"https://git.kernel.org/stable/c/92a999d1963eed0df666284e20055136ceabd12f"},{"url":"https://git.kernel.org/stable/c/b16bb373988da3ceb0308381634117e18b6ec60d"},{"url":"https://git.kernel.org/stable/c/91a36ec160ec1a0c8f5352b772dffcbb0b6023e3"},{"url":"https://git.kernel.org/stable/c/01989d7eebb61c99bd4b88ebc8e261bd2f02caed"},{"url":"https://git.kernel.org/stable/c/04f9e9104c969d8ce10a4a43634f641ed082092d"},{"url":"https://git.kernel.org/stable/c/04e4a11dc723c52db7a36dc58f0d69ce6426f8f0"},{"url":"https://git.kernel.org/stable/c/56b14ecec97f39118bf85c9ac2438c5a949509ed"}],"title":"netfilter: conntrack: re-fetch conntrack after insertion","x_generator":{"engine":"bippy-1.2.0"}}}}