#VU119666 Memory leak in Linux kernel - CVE-2023-53802
Published: December 10, 2025 / Updated: December 12, 2025
Vulnerability identifier: #VU119666
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-53802
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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 repository.
External links
- 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