PT-2025-13364 · Linux+4 · Linux Kernel+4

Published 2024-04-30 · Updated 2025-09-29 · CVE-2023-53018

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 issue has been identified in the Linux kernel's Bluetooth functionality. Specifically, when hci cmd sync queue() fails in hci le terminate big() or hci le big terminate(), the memory pointed to by the variable d is not freed, resulting in a memory leak. The issue has been resolved by adding a release process to the error path.

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_16880

BDU:2025-06345

CVE-2023-53018

OPENSUSE-SU-2025_01620-1

OPENSUSE-SU-2025_01640-1

RHSA-2024:2394

RHSA-2024_2394

SUSE-SU-2025:01620-1

SUSE-SU-2025:01640-1

SUSE-SU-2025_01620-1

Affected Products

Astra Linux

Linux Kernel

Red Hat

Red Os

Suse

References · 115

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53018.json · Exploit
• https://git.kernel.org/stable/c/3aa21311f36d8a2730c7ccef37235e951f23927b · Patch
• https://osv.dev/vulnerability/CVE-2023-53018 · Vendor Advisory
• https://git.kernel.org/stable/c/f51a825b9f730a782aa768454906b4468e67b667 · Patch
• https://cve.org/CVERecord?id=CVE-2023-53018 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2023-53018 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:01640-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53018 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-53018 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-53018 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:01620-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53018 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-06345 · Security Note
• https://osv.dev/vulnerability/BELL-CVE-2023-53018 · Vendor Advisory
• https://suse.com/security/cve/CVE-2025-2312 · Note