CVE-2021-4453

MEDIUM EPSS 17.1%
Published Feb 26, 20251y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Feb 26, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: fix a potential gpu_metrics_table memory leak Memory is allocated for gpu_metrics_table in renoir_init_smc_tables(), but not freed in int smu_v12_0_fini_smc_tables(). Free it!

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
17.1% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-401

Affected Products 7

VendorProductVersionRange
linuxlinux_kernel*≥5.10  –  <5.10.88
linuxlinux_kernel*≥5.11  –  <5.15.11
linuxlinux_kernel5.16any
linuxlinux_kernel5.16any
linuxlinux_kernel5.16any
linuxlinux_kernel5.16any
linuxlinux_kernel5.16any

References 3

  • git.kernel.org https://git.kernel.org/stable/c/222cebd995cdf11fe0d502749560f65e64990e55
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/257b3bb16634fd936129fe2f57a91594a75b8751
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/aa464957f7e660abd554f2546a588f6533720e21
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/222cebd995cdf11fe0d502749560f65e64990e55
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/257b3bb16634fd936129fe2f57a91594a75b8751
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/aa464957f7e660abd554f2546a588f6533720e21
    Patch