PT-2025-7969 · Linux+1 · Linux Kernel+1

Published 2021-01-01 · Updated 2026-04-20 · CVE-2021-47658

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, specifically related to the gpu metrics table in the drm/amd/pm module. The memory is allocated in the renoir init smc tables() function but not freed in the smu v12 0 fini smc tables() function.

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

Memory Leak

Improper Resource Release

Weakness Enumeration

CWE-401

CWE-404

Related Identifiers

AZL-67670

BDU:2026-03650

CVE-2021-47658

ECHO-C5D0-95D1-2D7C

Affected Products

Debian

Linux Kernel

References · 17

• https://osv.dev/vulnerability/DEBIAN-CVE-2021-47658 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-03650 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-47658 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2021-47658 · Vendor Advisory
• https://git.kernel.org/stable/c/583637d66a70fc7090e12fb0ebbacc33d39e2214 · Patch
• https://ubuntu.com/security/CVE-2021-47658 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-47658 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-47658 · Security Note
• https://osv.dev/vulnerability/CVE-2021-47658 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-67670 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-11-CVE-2021-47658 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-47658 · Security Note
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-12-CVE-2021-47658 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-13-CVE-2021-47658 · Vendor Advisory
• https://git.kernel.org/linus/583637d66a70fc7090e12fb0ebbacc33d39e2214 · Note