#VU104809 Division by zero in Linux kernel - CVE-2022-49294
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104809
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-49294
CWE-ID: CWE-369
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.
External links
- 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