{"id":"CVE-2024-44983","state":"PUBLISHED","title":"netfilter: flowtable: validate vlan header","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: flowtable: validate vlan header\n\nEnsure there is sufficient room to access the protocol field of the\nVLAN header, validate it once before the flowtable lookup.\n\n=====================================================\nBUG: KMSAN: uninit-value in nf_flow_offload_inet_hook+0x45a/0x5f0 net/netfilter/nf_flow_table_inet.c:32\n nf_flow_offload_inet_hook+0x45a/0x5f0 net/netfilter/nf_flow_table_inet.c:32\n nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]\n nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626\n nf_hook_ingress include/linux/netfilter_netdev.h:34 [inline]\n nf_ingress net/core/dev.c:5440 [inline]","publishedAt":"2024-09-04T19:54:32.830Z","updatedAt":"2026-05-11T20:33:11.895Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4cd91f7c290f64fe430867ddbae10bff34657b6a","status":"affected","lessThan":"c05155cc455785916164aa5e1b4605a2ae946537","versionType":"git"},{"version":"4cd91f7c290f64fe430867ddbae10bff34657b6a","status":"affected","lessThan":"d9384ae7aec46036d248d1c2c2757e471ab486c3","versionType":"git"},{"version":"4cd91f7c290f64fe430867ddbae10bff34657b6a","status":"affected","lessThan":"0279c35d242d037abeb73d60d06a6d1bb7f672d9","versionType":"git"},{"version":"4cd91f7c290f64fe430867ddbae10bff34657b6a","status":"affected","lessThan":"043a18bb6cf16adaa2f8642acfde6e8956a9caaa","versionType":"git"},{"version":"4cd91f7c290f64fe430867ddbae10bff34657b6a","status":"affected","lessThan":"6ea14ccb60c8ab829349979b22b58a941ec4a3ee","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netfilter/nf_flow_table_inet.c","net/netfilter/nf_flow_table_ip.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.13","versionType":"semver"},{"version":"5.15.166","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.107","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.48","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.7","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netfilter/nf_flow_table_inet.c","net/netfilter/nf_flow_table_ip.c"]}],"references":["https://git.kernel.org/stable/c/c05155cc455785916164aa5e1b4605a2ae946537","https://git.kernel.org/stable/c/d9384ae7aec46036d248d1c2c2757e471ab486c3","https://git.kernel.org/stable/c/0279c35d242d037abeb73d60d06a6d1bb7f672d9","https://git.kernel.org/stable/c/043a18bb6cf16adaa2f8642acfde6e8956a9caaa","https://git.kernel.org/stable/c/6ea14ccb60c8ab829349979b22b58a941ec4a3ee","https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:47.831Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/44xxx/CVE-2024-44983.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-44983","state":"PUBLISHED","datePublished":"2024-09-04T19:54:32.830Z","dateUpdated":"2026-05-11T20:33:11.895Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-08-21T05:34:56.670Z"},"containers":{"cna":{"title":"netfilter: flowtable: validate vlan header","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: flowtable: validate vlan header\n\nEnsure there is sufficient room to access the protocol field of the\nVLAN header, validate it once before the flowtable lookup.\n\n=====================================================\nBUG: KMSAN: uninit-value in nf_flow_offload_inet_hook+0x45a/0x5f0 net/netfilter/nf_flow_table_inet.c:32\n nf_flow_offload_inet_hook+0x45a/0x5f0 net/netfilter/nf_flow_table_inet.c:32\n nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]\n nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626\n nf_hook_ingress include/linux/netfilter_netdev.h:34 [inline]\n nf_ingress net/core/dev.c:5440 [inline]"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4cd91f7c290f64fe430867ddbae10bff34657b6a","status":"affected","lessThan":"c05155cc455785916164aa5e1b4605a2ae946537","versionType":"git"},{"version":"4cd91f7c290f64fe430867ddbae10bff34657b6a","status":"affected","lessThan":"d9384ae7aec46036d248d1c2c2757e471ab486c3","versionType":"git"},{"version":"4cd91f7c290f64fe430867ddbae10bff34657b6a","status":"affected","lessThan":"0279c35d242d037abeb73d60d06a6d1bb7f672d9","versionType":"git"},{"version":"4cd91f7c290f64fe430867ddbae10bff34657b6a","status":"affected","lessThan":"043a18bb6cf16adaa2f8642acfde6e8956a9caaa","versionType":"git"},{"version":"4cd91f7c290f64fe430867ddbae10bff34657b6a","status":"affected","lessThan":"6ea14ccb60c8ab829349979b22b58a941ec4a3ee","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netfilter/nf_flow_table_inet.c","net/netfilter/nf_flow_table_ip.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.13","versionType":"semver"},{"version":"5.15.166","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.107","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.48","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.7","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netfilter/nf_flow_table_inet.c","net/netfilter/nf_flow_table_ip.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/c05155cc455785916164aa5e1b4605a2ae946537"},{"url":"https://git.kernel.org/stable/c/d9384ae7aec46036d248d1c2c2757e471ab486c3"},{"url":"https://git.kernel.org/stable/c/0279c35d242d037abeb73d60d06a6d1bb7f672d9"},{"url":"https://git.kernel.org/stable/c/043a18bb6cf16adaa2f8642acfde6e8956a9caaa"},{"url":"https://git.kernel.org/stable/c/6ea14ccb60c8ab829349979b22b58a941ec4a3ee"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:33:11.895Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"5.15.166"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.1.107"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.6.48"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.10.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.11"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE 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