CVE-2024-44986: Debian Linux

High severity, CVSS 7.8. EPSS: 0.7% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible UAF in ip6_finish_output2() If skb_expand_head() returns NULL, skb has been freed and associated dst/idev could also have been freed. We need to hold rcu_read_lock() to make sure the dst and associated idev are alive.

Affected products

• Debian Debian Linux: version 11.0 only
• Linux Linux Kernel: from 5.4.137, before 5.4.289 (fixed in 5.4.289); from 5.10.55, before 5.10.233 (fixed in 5.10.233); from 5.13.7, 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); …

Published 2024-09-04. Last modified 2026-09-29.