SB2025100818 - Memory leak in Linux kernel ath ath9k driver
Published: October 8, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100818
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-2023-53641)
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_alloc_tx_urbs() 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/320d760a35273aa815d58b57e4fd9ba5279a3489
- https://git.kernel.org/stable/c/59073060fe0950c6ecbe12bdc06469dcac62128d
- https://git.kernel.org/stable/c/6719e3797ec52cd144c8a5ba8aaab36674800585
- https://git.kernel.org/stable/c/7654cc03eb699297130b693ec34e25f77b17c947
- https://git.kernel.org/stable/c/8f02d538878c9b1501f624595eb22ee4e5e0ff84
- https://git.kernel.org/stable/c/9b9356a3014123f0ce4b50d9278c1265173150ab
- https://git.kernel.org/stable/c/d9899318660791141ea6002fda5577b2c5d7386e
- https://git.kernel.org/stable/c/f0931fc8f4b6847c72e170d2326861c0a081d680
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.15