CVE-2024-56369: drm/modes: Avoid divide by zero harder in drm_mode_vrefresh()
In the Linux kernel, the following vulnerability has been resolved:
drm/modes: Avoid divide by zero harder in drmmodevrefresh()
drmmodevrefresh() is trying to avoid divide by zero by checking whether htotal or vtotal are zero. But we may still end up with a div-by-zero of vtotalhtotal...
Other sources
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— Launchpad
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2024-56369?
The severity of CVE-2024-56369 is considered to be medium, primarily due to potential issues with divide by zero in the Linux kernel.
How do I fix CVE-2024-56369?
To fix CVE-2024-56369, update the Linux kernel to the latest stable version or apply the relevant patches provided by the maintainers.
Which versions of the Linux kernel are affected by CVE-2024-56369?
CVE-2024-56369 affects the Linux kernel versions from 5.15.176 up to but not including 6.1.122, and certain specific pre-release versions.
What are the potential impacts of CVE-2024-56369 on my system?
If exploited, CVE-2024-56369 could lead to system instability or crashes due to divide by zero errors in graphic modes handling.
Is there a proof of concept available for CVE-2024-56369?
There is currently no widely publicized proof of concept for CVE-2024-56369, but it is important to stay updated regarding potential exploitations.