NULL pointer dereference in Linux kernel - CVE-2022-49876
Published: May 2, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108270
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2022-49876
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the ieee80211_subif_start_xmit() function in net/mac80211/tx.c. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
How to mitigate CVE-2022-49876
Install update from vendor's website.
Linux kernel - addressed in versions 6.0.9, 6.1