PT-2025-37702 · Linux+3 · Linux Kernel+3

Published 2023-01-01 · Updated 2026-05-26 · CVE-2023-53261

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 A memory leak exists in the coresight component of the Linux kernel, specifically related to the acpi buffer->pointer. The leak occurs because the ACPI buffer memory is not freed after use, leading to unreferenced objects and potential memory exhaustion. The issue is triggered during the processing of the ACPI DSD graph and involves temporary variables within the acpi coresight parse graph() function.

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

Exploit

DoS

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

ALSA-2025_12746

ALSA-2025_12752

ALSA-2025_12753

ALSA-2025_16880

BDU:2026-05887

CVE-2023-53261

ECHO-6511-4129-67C8

RHSA-2025:6966

RHSA-2025_6966

SUSE-SU-2025:03600-1

SUSE-SU-2025:03601-1

SUSE-SU-2025:03633-1

SUSE-SU-2025:03634-1

SUSE-SU-2025:20851-1

SUSE-SU-2025:20861-1

SUSE-SU-2025:20870-1

SUSE-SU-2025:20898-1

SUSE-SU-2025:3725-1

SUSE-SU-2025:3751-1

SUSE-SU-2025_03601-1

SUSE-SU-2025_3725-1

Affected Products

Debian

Linux Kernel

Red Hat

Suse

References · 1045

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53261.json · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2025:03601-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-05887 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:20898-1 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-53261 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-12-CVE-2023-53261 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-53261 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:3725-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:03600-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:20861-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:3751-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:20851-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:03633-1 · Vendor Advisory
• https://git.kernel.org/stable/c/d1b60e7c9fee34eaedf1fc4e0471f75b33f83a4a · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:20870-1 · Vendor Advisory