SB20250226643 - Division by zero in Linux kernel dc dce driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226643
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) Division by zero (CVE-ID: CVE-2022-49294)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a division by zero error within the get_pixel_clk_frequency_100hz() function in drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/07efce8269a038c37814eb656b4de14aa3015fc6
- https://git.kernel.org/stable/c/10ef82d6e0af5536ec64770c07f6bbabfdd6977c
- https://git.kernel.org/stable/c/49947b906a6bd9668eaf4f9cf691973c25c26955
- https://git.kernel.org/stable/c/96725758eff7b3805e4e94d1443a100757412720
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.15