Bug 2317599 (CVE-2024-47661) - CVE-2024-47661 kernel: drm/amd/display: Avoid overflow from uint32_t to uint8_t
Summary: CVE-2024-47661 kernel: drm/amd/display: Avoid overflow from uint32_t to uint8_t
Keywords:
Status: NEW
Alias: CVE-2024-47661
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: 2318112
Blocks:
TreeView+ depends on / blocked
 
Reported: 2024-10-09 15:03 UTC by OSIDB Bzimport
Modified: 2024-10-11 18:00 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description OSIDB Bzimport 2024-10-09 15:03:02 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Avoid overflow from uint32_t to uint8_t

[WHAT & HOW]
dmub_rb_cmd's ramping_boundary has size of uint8_t and it is assigned
0xFFFF. Fix it by changing it to uint8_t with value of 0xFF.

This fixes 2 INTEGER_OVERFLOW issues reported by Coverity.
Comment 1 Mauro Matteo Cascella 2024-10-11 16:29:33 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024100930-CVE-2024-47661-a6c1@gregkh/T
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