{"id":"CVE-2024-44983","summary":"netfilter: flowtable: validate vlan header","details":"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]","modified":"2026-04-16T04:42:28.447034374Z","published":"2024-09-04T19:54:32.830Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/44xxx/CVE-2024-44983.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0279c35d242d037abeb73d60d06a6d1bb7f672d9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/043a18bb6cf16adaa2f8642acfde6e8956a9caaa"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6ea14ccb60c8ab829349979b22b58a941ec4a3ee"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c05155cc455785916164aa5e1b4605a2ae946537"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d9384ae7aec46036d248d1c2c2757e471ab486c3"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/44xxx/CVE-2024-44983.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-44983"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4cd91f7c290f64fe430867ddbae10bff34657b6a"},{"fixed":"c05155cc455785916164aa5e1b4605a2ae946537"},{"fixed":"d9384ae7aec46036d248d1c2c2757e471ab486c3"},{"fixed":"0279c35d242d037abeb73d60d06a6d1bb7f672d9"},{"fixed":"043a18bb6cf16adaa2f8642acfde6e8956a9caaa"},{"fixed":"6ea14ccb60c8ab829349979b22b58a941ec4a3ee"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-44983.json"}}],"schema_version":"1.7.5"}