Bug 2307875 (CVE-2024-43902) - CVE-2024-43902 kernel: drm/amd/display: Add null checker before passing variables
Summary: CVE-2024-43902 kernel: drm/amd/display: Add null checker before passing varia...
Keywords:
Status: NEW
Alias: CVE-2024-43902
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2308114
Blocks:
TreeView+ depends on / blocked
 
Reported: 2024-08-26 11:21 UTC by OSIDB Bzimport
Modified: 2024-10-08 14:11 UTC (History)
4 users (show)

Fixed In Version:
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A NULL pointer dereference issue was found in the AMD Display (drm/amd/display) subsystem of the Linux kernel in amdgpu_dm.c. If an attacker can manipulate the input to functions that may not have proper NULL checks, they could trigger a situation where the system dereferences a NULL pointer, leading to system crashes and loss of availability, requiring a reboot to restore the system. This issue could also disrupt services dependent on the GPU.
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Description OSIDB Bzimport 2024-08-26 11:21:18 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Add null checker before passing variables

Checks null pointer before passing variables to functions.

This fixes 3 NULL_RETURNS issues reported by Coverity.
Comment 1 Mauro Matteo Cascella 2024-08-27 11:13:25 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024082618-CVE-2024-43902-eb6d@gregkh/T
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