#VU68317 NULL pointer dereference in Linux kernel - CVE-2022-42722

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Main Vulnerability Database Vulnerabilities #VU68317

#VU68317 NULL pointer dereference in Linux kernel - CVE-2022-42722

Published: October 14, 2022


Vulnerability identifier: #VU68317
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-42722
CWE-ID: CWE-476
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the mac80211 stack in Linux kernel. A remote attacker on the local network can send specially crafted WLAN frames to the affected system and perform a denial of service (DoS) attack against the beacon protection of P2P devices.


Remediation

Install update from vendor's website.

External links