CVE-2023-52798highCWE-416

wifi: ath11k: fix dfs radar event locking

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.8epss 1.0%

exploitation probability

1.0%top 41% of all CVEs

observed exploitation

nono source reports it

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.

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Linux · Linux

References

https://git.kernel.org/stable/c/1fd878e1750190a612b5de2af357cca422ec0822 https://git.kernel.org/stable/c/21ebb0aba580d347e12f01ce5f6e75044427b3d5 https://git.kernel.org/stable/c/3b6c14833165f689cc5928574ebafe52bbce5f1e https://git.kernel.org/stable/c/426e718ce9ba60013364a54233feee309356cb82 https://git.kernel.org/stable/c/ca420ac4f9451f22347bae44b18ab47ba2c267ec https://git.kernel.org/stable/c/f882f51905517575c9f793a3dff567af90ef9a10