{"id":"AZL-49003","summary":"CVE-2024-44983 affecting package kernel for versions less than 5.15.167.1-1","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":"2026-04-01T05:17:18.049484Z","published":"2024-09-04T20:15:07Z","upstream":["CVE-2024-44983"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-44983"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.167.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-49003.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"}]}