PT-2024-14671 · Linux+3 · Linux Kernel+3

Published 2023-12-01 · Updated 2026-05-26 · CVE-2023-52634

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue occurs when switching to another HDMI mode, causing unnecessary disabling/enabling of FIFO, which leads to both HPO and DIG registers being set at the same time. This can result in a system hang when changing refresh rates. The problem arises from cases where OTG/FIFO is not disabled, but FIFO is enabled when it should not be.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Weakness Enumeration

CWE-99

Related Identifiers

ALSA-2025_12746

ALSA-2025_12752

ALSA-2025_12753

ALSA-2025_16880

ALT-PU-2025-12647

BDU:2025-07712

CVE-2023-52634

INFSA-2024_9315

RHSA-2024:9315

RHSA-2024_9315

Affected Products

Alt Linux

Astra Linux

Linux Kernel

Red Hat

References · 21

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52634.json · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-52634 · Vendor Advisory
• https://git.kernel.org/stable/c/ce29728ef6485a367934cc100249c66dd3cde5b6 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-52634 · Security Note
• https://osv.dev/vulnerability/BELL-CVE-2023-52634 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2024-9315.html · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-52634 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2023-52634 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2023-52634 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-52634 · Vendor Advisory
• https://git.kernel.org/stable/c/2ce156482a6fef349d2eba98e5070c412d3af662 · Patch
• https://wiki.astralinux.ru/astra-linux-se18-bulletin-2025-0411SE18 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52634 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-52634 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-07712 · Security Note