CVE-2024-56369: drm/modes: Avoid divide by zero harder in drm_mode_vrefresh()
First published: Sat Jan 11 2025(Updated: )
In the Linux kernel, the following vulnerability has been resolved: drm/modes: Avoid divide by zero harder in drm_mode_vrefresh() drm_mode_vrefresh() 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 vtotal*htotal*...
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <5.15.176 | |
| Linux Kernel | >=5.16<6.1.122 | |
| Linux Kernel | >=6.2<6.6.68 | |
| Linux Kernel | >=6.7<6.12.7 | |
| Linux Kernel | =6.13-rc1 | |
| Linux Kernel | =6.13-rc2 | |
| Linux Kernel | =6.13-rc3 |
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Reference Links
- https://git.kernel.org/stable/c/e7c7b48a0fc5ed83baae400a1b15e33978c25d7f
- https://git.kernel.org/stable/c/69fbb01e891701e6d04db1ddb5ad49e42c4dd963
- https://git.kernel.org/stable/c/b39de5a71bac5641d0fda33d1cf5682d82cf1ae5
- https://git.kernel.org/stable/c/47c8b6cf1d08f0ad40d7ea7b025442e51b35ee1f
- https://git.kernel.org/stable/c/9398332f23fab10c5ec57c168b44e72997d6318e
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.
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