Bug 2338847 (CVE-2024-57922) - CVE-2024-57922 kernel: drm/amd/display: Add check for granularity in dml ceil/floor helpers
Summary: CVE-2024-57922 kernel: drm/amd/display: Add check for granularity in dml ceil...
Keywords:
Status: NEW
Alias: CVE-2024-57922
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-01-19 12:02 UTC by OSIDB Bzimport
Modified: 2025-03-03 02:04 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
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Description OSIDB Bzimport 2025-01-19 12:02:01 UTC
In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Add check for granularity in dml ceil/floor helpers

[Why]
Wrapper functions for dcn_bw_ceil2() and dcn_bw_floor2()
should check for granularity is non zero to avoid assert and
divide-by-zero error in dcn_bw_ functions.

[How]
Add check for granularity 0.

(cherry picked from commit f6e09701c3eb2ccb8cb0518e0b67f1c69742a4ec)

Comment 1 Avinash Hanwate 2025-01-20 05:24:17 UTC
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025011942-CVE-2024-57922-1f81@gregkh/T


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