CVE-2021-47431: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix gart.bo pin_count leak gmc_v{9,10}_0_gart_disable() isn't called matched with correspoding gart_enbale function in SRIOV case. This will lead to gart.bo pin_count leak on driver unload.

Affected products

• Linux Linux Kernel: from 4.2, before 5.4.154 (fixed in 5.4.154); from 5.5, before 5.10.74 (fixed in 5.10.74); from 5.11, before 5.14.13 (fixed in 5.14.13); version 5.15 only

Published 2024-05-21. Last modified 2026-08-11.