#VU96356 NULL pointer dereference in Linux kernel - CVE-2022-48876
Published: August 21, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU96356
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-2022-48876
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 ieee80211_invoke_rx_handlers(), ieee80211_release_reorder_timeout(), ieee80211_mark_rx_ba_filtered_frames(), ieee80211_check_fast_rx_iface(), ieee80211_invoke_fast_rx(), ieee80211_prepare_and_rx_handle(), __ieee80211_rx_handle_8023(), ieee80211_rx_for_interface() and __ieee80211_rx_handle_packet() functions in net/mac80211/rx.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.