SB20251230134 - Memory leak in Linux kernel ath ath9k driver
Published: December 30, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251230134
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2022-50829)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the ath9k_hif_usb_reg_in_cb() function in drivers/net/wireless/ath/ath9k/hif_usb.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0c8dd2ea4b419da96ab4953e4967e9363e2f8a4f
- https://git.kernel.org/stable/c/355f16f756aad0c95cdaa0c14a34ab4137d32815
- https://git.kernel.org/stable/c/53b9bb1a00c4285ee7f58a11129dbea015db61bc
- https://git.kernel.org/stable/c/5e8751a977a49a6e00cce1a8da5ca16da83f9c8c
- https://git.kernel.org/stable/c/71fc0ad671a62c494d2aec731baeabd3bfe6c95d
- https://git.kernel.org/stable/c/988bd27de2484faf17afe0408db2e3d9e5ac61fc
- https://git.kernel.org/stable/c/98d9172822dc6f38138333941984bd759a89d419
- https://git.kernel.org/stable/c/dd95f2239fc846795fc926787c3ae0ca701c9840
- https://git.kernel.org/stable/c/f127c2b4c967025e5c3a4ce7e13b79135d46a33d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.303