# CVE-2021-4453: linux: In the Linux kernel, the following vulnerability has been resolved:  drm/amd/pm: fix a potential gpu_metrics_table me...

CVE-2021-4453 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-4453, released February 26, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2021-4453
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0027
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 26, 2025

## 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!

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 5.15.15-1 | [DEBIAN-CVE-2021-4453](https://patchblox.com/security/data/fix/linux/debian-cve-2021-4453.md) | Feb 26, 2025 |
| Linux | linux Debian 13.5 (trixie) | 5.15.15-1 | [DEBIAN-CVE-2021-4453](https://patchblox.com/security/data/fix/linux/debian-cve-2021-4453.md) | Feb 26, 2025 |
| Linux | linux Debian 14 | 5.15.15-1 | [DEBIAN-CVE-2021-4453](https://patchblox.com/security/data/fix/linux/debian-cve-2021-4453.md) | Feb 26, 2025 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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