CVE-2024-36903: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix potential uninit-value access in __ip6_make_skb() As it was done in commit fc1092f51567 ("ipv4: Fix uninit-value access in __ip_make_skb()") for IPv4, check FLOWI_FLAG_KNOWN_NH on fl6->flowi6_flags instead of testing HDRINCL on the socket to avoid a race condition which causes uninit-value access.

Affected products

• Linux Linux Kernel: from 4.14.313, before 4.15 (fixed in 4.15); from 4.19.281, before 4.20 (fixed in 4.20); from 5.4.241, before 5.5 (fixed in 5.5); from 5.10.178, before 5.11 (fixed in 5.11); from 5.15.107, before 5.16 (fixed in 5.16); from 6.1.24, before 6.2 (fixed in 6.2); …

Published 2024-05-30. Last modified 2026-07-14.