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CVE-2023-52634

17
FAUCET Score

CVE-2023-52634 is a vulnerability in the Linux kernel's AMD display driver, specifically affecting the drm/amd/display component. It arises from incorrect logic when switching HDMI modes, leading to an unnecessary disabling/enabling of FIFO, which can cause system hangs during refresh rate changes. Rated Medium severity (CVSS 5.5), this local vulnerability (AV:L) requires low privileges (PR:L) and has a high impact on availability (A:H), potentially leading to denial of service. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.7.4CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.19%
Probability of exploitation in next 30 days
EPSS Percentile
9.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0019 is in the 47th percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-503.11.1.el9_5
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (2)

microsoft2024-Apr/CVE-2023-52634

drm/amd/display: Fix disable_otg_wa logic

Apr 9, 2024
redhatCVE-2023-52634Low

kernel: drm/amd/display: Fix disable_otg_wa logic

Apr 2, 2024

References

git.kernel.org / stable/c/2ce156482a6fef349d2eba98e5070c412d3af662
Patch
git.kernel.org / stable/c/ce29728ef6485a367934cc100249c66dd3cde5b6
Patch