SB2022041518 - Information disclosure in Linux kernel DRM implementation



SB2022041518 - Information disclosure in Linux kernel DRM implementation

Published: April 15, 2022

Security Bulletin ID SB2022041518
Severity
Low
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use-after-free (CVE-ID: CVE-2022-1280)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to a use-after-free error within the drm_lease_held() function in drivers/gpu/drm/drm_lease.c in the Linux kernel. A local user can run a specially crafted program to trigger a use-after-free error and crash the kernel or gain access to sensitive information.



Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.