CVE-2024-44983: Linux Kernel

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: validate vlan header Ensure there is sufficient room to access the protocol field of the VLAN header, validate it once before the flowtable lookup. ===================================================== BUG: KMSAN: uninit-value in nf_flow_offload_inet_hook+0x45a/0x5f0 net/netfilter/nf_flow_table_inet.c:32 nf_flow_offload_inet_hook+0x45a/0x5f0 net/netfilter/nf_flow_table_inet.c:32 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626 nf_hook_ingress include/linux/netfilter_netdev.h:34 [inline] nf_ingress net/core/dev.c:5440 [inline]

Affected products

• Linux Linux Kernel: from 5.13, before 5.15.166 (fixed in 5.15.166); from 5.16, before 6.1.107 (fixed in 6.1.107); from 6.2, before 6.6.48 (fixed in 6.6.48); from 6.7, before 6.10.7 (fixed in 6.10.7); version 6.11 only

Published 2024-09-04. Last modified 2026-06-17.