SB20250619135 - Use-after-free in Linux kernel ath ath11k driver
Published: June 19, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250619135
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2022-50186)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the ath11k_htc_tx_completion_handler() function in drivers/net/wireless/ath/ath11k/htc.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/1f1483361585ae7556492f50f83f038bbdf8c294
- https://git.kernel.org/stable/c/dda25326839d6e6b1fe59e79616149e44ea4eaa4
- https://git.kernel.org/stable/c/e5646fe3b7ef739c392e59da7db6adf5e1fdef42
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0