CVE-2023-52798: wifi: ath11k: fix dfs radar event locking
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 ath11kmacgetarbypdevid() 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.
Other sources
In the Linux kernel, the following vulnerability has been resolved:
wifi: ath11k: fix dfs radar event locking
The Linux kernel CVE team has assigned CVE-2023-52798 to this issue.
Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024052158-CVE-2023-52798-374e@gregkh/T
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/kernelto a version that resolves this vulnerability.Fixed in 5.10.202 - Upgrade
Upgrade
redhat/kernelto a version that resolves this vulnerability.Fixed in 5.15.140 - Upgrade
Upgrade
redhat/kernelto a version that resolves this vulnerability.Fixed in 6.1.64 - Upgrade
Upgrade
redhat/kernelto a version that resolves this vulnerability.Fixed in 6.5.13 - Upgrade
Upgrade
redhat/kernelto a version that resolves this vulnerability.Fixed in 6.6.3 - Upgrade
Upgrade
redhat/kernelto a version that resolves this vulnerability.Fixed in 6.7
Event History
Frequently Asked Questions
What is the severity of CVE-2023-52798?
CVE-2023-52798 has been rated as a medium severity vulnerability in the Linux kernel.
How do I fix CVE-2023-52798?
To fix CVE-2023-52798, upgrade to the kernel versions 5.10.202, 5.15.140, 6.1.64, 6.5.13, 6.6.3, or 6.7 as recommended by the vendor.
What products are affected by CVE-2023-52798?
CVE-2023-52798 affects various releases of the Linux kernel across multiple versions.
What does CVE-2023-52798 involve?
CVE-2023-52798 involves a locking issue in the DFS radar event handling code affecting ath11k active pdevs.
Is there a workaround for CVE-2023-52798?
There is no specified workaround for CVE-2023-52798; the recommended action is to upgrade to a patched kernel.