SB2025121039 - Memory leak in Linux kernel ath ath9k driver
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB2025121039
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-2023-53802)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the ath9k_htc_fw_panic_report() and ath9k_htc_rx_msg() functions in drivers/net/wireless/ath/ath9k/htc_hst.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/564bc2222bf50eb6cdee715a5431bf4dc9f923c1
- https://git.kernel.org/stable/c/5a84e51f72580fc70066b03f3dac38421e702a0b
- https://git.kernel.org/stable/c/68171c006c8645a3e0293a6c3e6037c6538ac1c5
- https://git.kernel.org/stable/c/9b25e3985477ac3f02eca5fc1e0cc6850a3f7e69
- https://git.kernel.org/stable/c/b11f95f65cc52ee3a756e6f6a88df37a203e25bd
- https://git.kernel.org/stable/c/bbfababb4f899fe1556eac195f9774b6fe675fb6
- https://git.kernel.org/stable/c/c0c0614f143b568cd0e9525d53cf12e5dcd11987
- https://git.kernel.org/stable/c/ec246dfe006b2a8f36353f7489e4f525114db9a5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.173