#VU68313 Use-after-free in Linux kernel - CVE-2022-42719

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Main Vulnerability Database Vulnerabilities #VU68313

#VU68313 Use-after-free in Linux kernel - CVE-2022-42719

Published: October 14, 2022


Vulnerability identifier: #VU68313
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2022-42719
CWE-ID: CWE-416
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 compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the mac80211 stack in Linux kernel when parsing a multi-BSSID element. A remote attacker on the local network can send specially crafted WLAN frames to the affected system, trigger a use-after-free error and execute arbitrary code.


Remediation

Install updates from vendor's website.

External links