CVE-2022-49971: drm/amd/pm: Fix a potential gpu_metrics_table memory leak

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-06-18 · updated 2026-06-17
Weakness: CWE-401

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 smu_v13_0_4_init_smc_tables(), but not freed in smu_v13_0_4_fini_smc_tables(). This may cause memory leaks, fix it.

Affected products

Linux kernel: from 5.19 before 5.19.7; 6.0-rc1 — fixed in 5.19.7

How to fix

Upgrade to a fixed version: Linux kernel 5.19.7. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/4b25bdb54578f3b96ff055e5d27bc1cb82950e51
https://git.kernel.org/stable/c/5afb76522a0af0513b6dc01f84128a73206b051b

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