CVE-2021-4453

Summary

CVE-2021-4453 is a vulnerability affecting the Linux kernel. It involves a potential memory leak in the drm/amd/pm module. Specifically, memory is allocated for gpu_metrics_table in renoir_init_smc_tables() but not freed in int smu_v12_0_fini_smc_tables(). This oversight could result in memory exhaustion and potential system instability. The issue has been addressed in recent Linux kernel updates.

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