PT-2024-14632 · Linux+3 · Linux Kernel+3

Published 2023-12-14 · Updated 2026-05-26 · CVE-2023-52586

Positive Technologies (AI Summary)

CVSS v3.1

7.0

High

Base vector

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

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

Description The issue is related to the addition of a mutex lock in the control vblank irq to synchronize vblank enable/disable operations happening from different threads, preventing race conditions while registering/unregistering the vblank irq callback. The change includes removing vblank ctl lock from dpu encoder virt and switching from an atomic refcnt to a simple int counter as a mutex has been added.

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

Exploit

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

ALSA-2025_12746

ALSA-2025_12752

ALSA-2025_12753

ALSA-2025_16880

ALT-PU-2025-12647

AZL-56806

AZL-56846

BDU:2025-07511

CVE-2023-52586

ECHO-84D0-F560-8028

SUSE-SU-2024:1979-1

SUSE-SU-2024:1983-1

SUSE-SU-2024:2008-1

SUSE-SU-2024:2019-1

SUSE-SU-2024:2184-1

SUSE-SU-2024:2190-1

Affected Products

Alt Linux

Debian

Linux Kernel

Suse

References · 1374

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52586.json · Exploit
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2023-52586 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2190-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-07511 · Security Note
• https://osv.dev/vulnerability/BELL-CVE-2023-52586 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-52586 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2024:2184-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-52586 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-52586 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-11-CVE-2023-52586 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-52586 · Security Note
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-12-CVE-2023-52586 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:1979-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2008-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2019-1 · Vendor Advisory