PT-2025-54166 · Linux+2 · Linux Kernel+2

Published 2023-01-01 · Updated 2026-05-26 · CVE-2023-54320

Positive Technologies (AI Summary)

CVSS v2.0

4.6

Medium

Base vector

AV:L/AC:L/Au:S/C:N/I:N/A:C

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

Description The amd pmc stb debugfs open v2() function may be called when the STB debug mechanism is enabled. If amd pmc send cmd() fails, the buf is not released, 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

BDU:2026-01168

CVE-2023-54320

RHSA-2023:6583

RHSA-2024:3138

SUSE-SU-2026:0263-1

SUSE-SU-2026:0317-1

Affected Products

Debian

Linux Kernel

Amd Pmc

References · 857

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54320.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-54320 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:0317-1 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2023-54320 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-54320 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-54320 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-54320 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-54320 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-54320 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0263-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-01168 · Security Note
• https://cve.org/CVERecord?id=CVE-2023-54320 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-54320 · Vendor Advisory
• https://bugzilla.suse.com/1255760 · Note
• https://bugzilla.suse.com/1256204 · Note