CVE-2023-52479: Linux Kernel

High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix uaf in smb20_oplock_break_ack drop reference after use opinfo.

Affected products

• Linux Linux Kernel: before 5.15.135 (fixed in 5.15.135); from 5.16, before 6.1.57 (fixed in 6.1.57); from 6.2, before 6.5.7 (fixed in 6.5.7); version 6.6 only

Published 2024-02-29. Last modified 2026-08-15.