PT-2025-40234 · Linux+2 · Linux Kernel+2

Published 2023-06-22 · Updated 2025-11-19 · CVE-2023-53527

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 tb handle dp bandwidth request() function. The memory allocated in the tb queue dp bandwidth request() function is not released after the request is handled, leading to a memory leak.

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

Exploit

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

ALSA-2025_16880

BDU:2025-16233

CVE-2023-53527

RHSA-2024:2394

SUSE-SU-2025:03600-1

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-2025:3751-1

SUSE-SU-2025:4057-1

SUSE-SU-2025:4132-1

SUSE-SU-2025:4141-1

Affected Products

Linux Kernel

Red Hat

Suse

References · 1407

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53527.json · Exploit
• https://osv.dev/vulnerability/CVE-2023-53527 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:03600-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-53527 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:4057-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-16233 · Security Note
• https://git.kernel.org/stable/c/0752bb32aed2c5dd85821195a507a1079c4835f7 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:20870-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:4132-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:20898-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:20851-1 · Vendor Advisory
• https://git.kernel.org/stable/c/596a5123cc782d458b057eb3837e66535cd0befa · Patch
• https://security-tracker.debian.org/tracker/CVE-2023-53527 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53527 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53527 · Vendor Advisory