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CVE-2023-52671

drm/amd/display: Fix hang/underflow when transitioning to ODM4:1

MEDIUM
5.5
CVSS Score
Published: May 17, 2024 at 02:02 PM UTC
Updated: June 17, 2026 at 06:43 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix hang/underflow when transitioning to ODM4:1 [Why] Under some circumstances, disabling an OPTC and attempting to reclaim its OPP(s) for a different OPTC could cause a hang/underflow due to OPPs not being properly disconnected from the disabled OPTC. [How] Ensure that all OPPs are unassigned from an OPTC when it gets disabled.

Affected

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

Linux Kernel· Linux
95%
4.15 ≤ v < 6.6.244.15 ≤ v < 6.7.34.15 ≤ v < 6.86.7 ≤ v < 6.7.34.154562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c
Vendor states this is fixed in 4b6b479b2da6badff099b2e3abf0248936eefbf5 (fixed)
Vendor states this is fixed in ae62f1dde66a6f0eee98defc4c7a346bd5acd239 (fixed)
Vendor states this is fixed in e7b2b108cdeab76a7e7324459e50b0c1214c0386 (fixed)
Vendor states this is fixed in 4.15 (unaffected)
Vendor states this is fixed in 6.6.24 (unaffected)
Vendor states this is fixed in 6.7.3 (unaffected)
Vendor states this is fixed in 6.8 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/4b6b479b2da6badff099b2e3abf0248936eefbf5
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/ae62f1dde66a6f0eee98defc4c7a346bd5acd239
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e7b2b108cdeab76a7e7324459e50b0c1214c0386

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
NVD-CWE-noinfo

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