Linux Kernel ath12k Wi-Fi Driver RCU ReadSide Critical Section Fix
CVE-2023-52769 Published on May 21, 2024
wifi: ath12k: fix htt mlo-offset event locking
In the Linux kernel, the following vulnerability has been resolved:
wifi: ath12k: fix htt mlo-offset event locking
The ath12k active pdevs are protected by RCU but the htt mlo-offset
event handling code calling ath12k_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.
Products Associated with CVE-2023-52769
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Affected Versions
Linux:- Version d889913205cf7ebda905b1e62c5867ed4e39f6c2 and below d908ca431e20b0e4bfc5d911d1744910ed779bdb is affected.
- Version d889913205cf7ebda905b1e62c5867ed4e39f6c2 and below afd3425bd69610f318403084fe491e24a1357fb9 is affected.
- Version d889913205cf7ebda905b1e62c5867ed4e39f6c2 and below 6afc57ea315e0f660b1f870a681737bb7b71faef is affected.
- Version 6.3 is affected.
- Before 6.3 is unaffected.
- Version 6.5.13, <= 6.5.* is unaffected.
- Version 6.6.3, <= 6.6.* is unaffected.
- Version 6.7, <= * is unaffected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.