CVE-2024-47661

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

MEDIUM
5.5
CVSS Score
Published: October 9, 2024 at 02:05 PM UTC
Updated: October 21, 2026 at 01:17 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 6.10.94.154562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c
Vendor states this is fixed in 30d1b783b6eeaf49d311a072c70d618d993d01ec (fixed)
Vendor states this is fixed in d6b54900c564e35989cf6813e4071504fa0a90e0 (fixed)
Vendor states this is fixed in 4.15 (unaffected)
Vendor states this is fixed in 6.10.9 (unaffected)
Vendor states this is fixed in 6.11 (unaffected)
Vendor states this is fixed in 6.6.160 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-190

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