SB2025091649 - Memory leak in Linux kernel ath ath9k driver
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091649
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-2023-53199)
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_rx_stream() 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/0af54343a76263a12dbae7fafb64eb47c4a6ad38
- https://git.kernel.org/stable/c/3fc6401fafde11712a83089fa2cc874cfd10e2cd
- https://git.kernel.org/stable/c/61490d2710277e8a55009b7682456ae22f8087cf
- https://git.kernel.org/stable/c/9acdec72787af1bc8ed92711b52118c8e3e638a2
- https://git.kernel.org/stable/c/c766e37fccd5a5c5059be7efcd9618bf8a2c17c3
- https://git.kernel.org/stable/c/cd8316767099920a5d41feed1afab0c482a43e9f
- https://git.kernel.org/stable/c/f26dd69f61eff2eedf5df2d199bdd23108309947
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.173