#VU63961 Improper access control in Linux kernel - CVE-2022-21499 

 

#VU63961 Improper access control in Linux kernel - CVE-2022-21499

Published: June 3, 2022 / Updated: July 20, 2022


Vulnerability identifier: #VU63961
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-21499
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to improper access restrictions to the kernel debugger when booted in secure boot environments. A local privileged user can bypass UEFI Secure Boot restrictions.


Remediation

Install updates from vendor's website.

External links