Use-after-free in Linux kernel - CVE-2023-52776
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90074
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-52776
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the ath12k_wmi_pdev_dfs_radar_detected_event() and ath12k_wmi_pdev_temperature_event() functions in drivers/net/wireless/ath/ath12k/wmi.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/774de37c147fea81f2c2e4be5082304f4f71d535
- https://git.kernel.org/stable/c/d7a5f7f76568e48869916d769e28b9f3ca70c78e
- https://git.kernel.org/stable/c/69bd216e049349886405b1c87a55dce3d35d1ba7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7