SB20230720111 - Local denial of service in Linux kernel GPU driver
Published: July 20, 2023
Security Bulletin ID
SB20230720111
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2023-3220)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within the dpu_crtc_atomic_check() function in drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c. A local user can pass specially crafted data to the application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.