PT-2024-21588 · Linux+4 · Linux Kernel+4
Published
2024-03-16
·
Updated
2025-01-14
·
CVE-2024-26941
CVSS v2.0
7.5
High
| Vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Name of the Vulnerable Software and Affected Versions
Linux kernel versions prior to 6.8.0-rc3+
Description
The vulnerability is related to a divide-by-zero regression on DP MST unplug with nouveau. It occurs when using nouveau and unplugging a StarTech MSTDP122DP DisplayPort 1.2 MST hub. The issue does not appear when using a Cable Matters DisplayPort 1.4 MST hub. The vulnerability is caused by a regression in the drm/dp module, specifically in the drm dp bw overhead function.
Recommendations
To resolve the issue, update the Linux kernel to a version that includes the fix for the divide-by-zero regression on DP MST unplug with nouveau. If an update is not available, consider temporarily disabling the use of the vulnerable module or restricting access to the affected API endpoint until a patch is available.
Exploit
Fix
Divide By Zero
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Weakness Enumeration
Related Identifiers
Affected Products
Astra Linux
Linuxmint
Linux Kernel
Ubuntu
Nouveau