#VU104596 NULL pointer dereference in Linux kernel - CVE-2022-49523
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104596
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-2022-49523
CWE-ID: CWE-476
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 NULL pointer dereference within the ath11k_spectral_scan_config(), ath11k_spectral_ring_free() and ath11k_spectral_deinit() functions in drivers/net/wireless/ath/ath11k/spectral.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/161c64de239c7018e0295e7e0520a19f00aa32dc
- https://git.kernel.org/stable/c/451b9076903a057b7b8d5b24dc84b3e436a1c743
- https://git.kernel.org/stable/c/4b9c54caef58d2b55074710952cda70540722c01
- https://git.kernel.org/stable/c/60afa4f4e1350c876d8a061182a70c224de275dd
- https://git.kernel.org/stable/c/8f15e67af9bec5a69e815e0230a70cffddae371a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.3