Use After Free Affecting bpftool package, versions <0:4.18.0-553.22.1.el8_10
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Test your applications- Snyk ID SNYK-CENTOS8-BPFTOOL-7041835
- published 23 May 2024
- disclosed 21 May 2024
Introduced: 21 May 2024
CVE-2023-52798 Open this link in a new tabHow to fix?
Upgrade Centos:8 bpftool to version 0:4.18.0-553.22.1.el8_10 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream bpftool package and not the bpftool package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
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.
References
- https://access.redhat.com/security/cve/CVE-2023-52798
- 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