CVE-2023-52800: wifi: ath11k: fix htt pktlog locking

Description

In the Linux kernel, the following vulnerability has been resolved:

wifi: ath11k: fix htt pktlog locking

The ath11k active pdevs are protected by RCU but the htt pktlog 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.

Classification

CVE ID: CVE-2023-52800

Affected Products

Vendor: Linux

Product: Linux

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 12.38% (scored less or equal to compared to others)

EPSS Date: 2025-02-03 (when was this score calculated)

References

https://git.kernel.org/stable/c/03ed26935bebf6b6fd8a656490bf3dcc71b72679
https://git.kernel.org/stable/c/3a51e6b4da71fdfa43ec006d6abc020f3e22d14e
https://git.kernel.org/stable/c/e3199b3fac65c9f103055390b6fd07c5cffa5961
https://git.kernel.org/stable/c/423762f021825b5e57c3d6f01ff96a9ff19cdcd8
https://git.kernel.org/stable/c/69cede2a5a5f60e3f5602b901b52cb64edd2ea6c
https://git.kernel.org/stable/c/3f77c7d605b29df277d77e9ee75d96e7ad145d2d

Timeline