Use-after-free vulnerability in net/unix/af_unix.c in the Linux kernel before 4.3.3 allows local users to bypass intended AF_UNIX socket permissions or cause a denial of service (panic) via crafted epoll_ctl calls.
Severity
CVSS 3.0
5.3 medium
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
EPSS
0.6% chance of exploitation in the next 30 days; higher than 49% of CVEs (scores of 2026-10-31)