{"id":"CVE-2024-26673","state":"PUBLISHED","title":"netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations\n\n- Disallow families other than NFPROTO_{IPV4,IPV6,INET}.\n- Disallow layer 4 protocol with no ports, since destination port is a\n  mandatory attribute for this object.","publishedAt":"2024-04-02T06:51:05.857Z","updatedAt":"2026-05-11T20:01:58.748Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"857b46027d6f91150797295752581b7155b9d0e1","status":"affected","lessThan":"f549f340c91f08b938d60266e792ff7748dae483","versionType":"git"},{"version":"857b46027d6f91150797295752581b7155b9d0e1","status":"affected","lessThan":"65ee90efc928410c6f73b3d2e0afdd762652c09d","versionType":"git"},{"version":"857b46027d6f91150797295752581b7155b9d0e1","status":"affected","lessThan":"b775ced05489f4b77a35fe203e9aeb22f428e38f","versionType":"git"},{"version":"857b46027d6f91150797295752581b7155b9d0e1","status":"affected","lessThan":"0f501dae16b7099e69ee9b0d5c70b8f40fd30e98","versionType":"git"},{"version":"857b46027d6f91150797295752581b7155b9d0e1","status":"affected","lessThan":"cfe3550ea5df292c9e2d608e8c4560032391847e","versionType":"git"},{"version":"857b46027d6f91150797295752581b7155b9d0e1","status":"affected","lessThan":"38cc1605338d99205a263707f4dde76408d3e0e8","versionType":"git"},{"version":"857b46027d6f91150797295752581b7155b9d0e1","status":"affected","lessThan":"8059918a1377f2f1fff06af4f5a4ed3d5acd6bc4","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netfilter/nft_ct.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.3","versionType":"semver"},{"version":"5.4.269","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.210","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.149","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.77","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.16","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7.4","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netfilter/nft_ct.c"]}],"references":["https://git.kernel.org/stable/c/f549f340c91f08b938d60266e792ff7748dae483","https://git.kernel.org/stable/c/65ee90efc928410c6f73b3d2e0afdd762652c09d","https://git.kernel.org/stable/c/b775ced05489f4b77a35fe203e9aeb22f428e38f","https://git.kernel.org/stable/c/0f501dae16b7099e69ee9b0d5c70b8f40fd30e98","https://git.kernel.org/stable/c/cfe3550ea5df292c9e2d608e8c4560032391847e","https://git.kernel.org/stable/c/38cc1605338d99205a263707f4dde76408d3e0e8","https://git.kernel.org/stable/c/8059918a1377f2f1fff06af4f5a4ed3d5acd6bc4","https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:10.607Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/26xxx/CVE-2024-26673.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-26673","state":"PUBLISHED","datePublished":"2024-04-02T06:51:05.857Z","dateUpdated":"2026-05-11T20:01:58.748Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-02-19T14:20:24.150Z"},"containers":{"cna":{"title":"netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations\n\n- Disallow families other than NFPROTO_{IPV4,IPV6,INET}.\n- Disallow layer 4 protocol with no ports, since destination port is a\n  mandatory attribute for this object."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"857b46027d6f91150797295752581b7155b9d0e1","status":"affected","lessThan":"f549f340c91f08b938d60266e792ff7748dae483","versionType":"git"},{"version":"857b46027d6f91150797295752581b7155b9d0e1","status":"affected","lessThan":"65ee90efc928410c6f73b3d2e0afdd762652c09d","versionType":"git"},{"version":"857b46027d6f91150797295752581b7155b9d0e1","status":"affected","lessThan":"b775ced05489f4b77a35fe203e9aeb22f428e38f","versionType":"git"},{"version":"857b46027d6f91150797295752581b7155b9d0e1","status":"affected","lessThan":"0f501dae16b7099e69ee9b0d5c70b8f40fd30e98","versionType":"git"},{"version":"857b46027d6f91150797295752581b7155b9d0e1","status":"affected","lessThan":"cfe3550ea5df292c9e2d608e8c4560032391847e","versionType":"git"},{"version":"857b46027d6f91150797295752581b7155b9d0e1","status":"affected","lessThan":"38cc1605338d99205a263707f4dde76408d3e0e8","versionType":"git"},{"version":"857b46027d6f91150797295752581b7155b9d0e1","status":"affected","lessThan":"8059918a1377f2f1fff06af4f5a4ed3d5acd6bc4","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netfilter/nft_ct.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.3","versionType":"semver"},{"version":"5.4.269","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.210","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.149","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.77","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.16","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7.4","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netfilter/nft_ct.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f549f340c91f08b938d60266e792ff7748dae483"},{"url":"https://git.kernel.org/stable/c/65ee90efc928410c6f73b3d2e0afdd762652c09d"},{"url":"https://git.kernel.org/stable/c/b775ced05489f4b77a35fe203e9aeb22f428e38f"},{"url":"https://git.kernel.org/stable/c/0f501dae16b7099e69ee9b0d5c70b8f40fd30e98"},{"url":"https://git.kernel.org/stable/c/cfe3550ea5df292c9e2d608e8c4560032391847e"},{"url":"https://git.kernel.org/stable/c/38cc1605338d99205a263707f4dde76408d3e0e8"},{"url":"https://git.kernel.org/stable/c/8059918a1377f2f1fff06af4f5a4ed3d5acd6bc4"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:01:58.748Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"5.4.269"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"5.10.210"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"5.15.149"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.1.77"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.6.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.7.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.8"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-26673","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-04-03T15:12:33.164796Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-06-04T17:48:32.170Z"}},{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/f549f340c91f08b938d60266e792ff7748dae483","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/65ee90efc928410c6f73b3d2e0afdd762652c09d","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/b775ced05489f4b77a35fe203e9aeb22f428e38f","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/0f501dae16b7099e69ee9b0d5c70b8f40fd30e98","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/cfe3550ea5df292c9e2d608e8c4560032391847e","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/38cc1605338d99205a263707f4dde76408d3e0e8","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/8059918a1377f2f1fff06af4f5a4ed3d5acd6bc4","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T00:14:12.634Z"}}]}}}