CVE-2023-52798: Linux Kernel

High severity, CVSS 8.8. EPSS: 1% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix dfs radar event locking The ath11k active pdevs are protected by RCU but the DFS radar event handling code calling ath11k_mac_get_ar_by_pdev_id() was not marked as a read-side critical section. Mark the code in question as an RCU read-side critical section to avoid any potential use-after-free issues. Compile tested only.

Affected products

• Linux Linux Kernel: from 5.6, before 5.10.202 (fixed in 5.10.202); from 5.11, before 5.15.140 (fixed in 5.15.140); from 5.16, before 6.1.64 (fixed in 6.1.64); from 6.2, before 6.5.13 (fixed in 6.5.13); from 6.6, before 6.6.3 (fixed in 6.6.3)

Published 2024-05-21. Last modified 2026-08-04.