What’s Vulnerable › Vulnerabilities

CVE-2021-47551: drm/amd/amdkfd: Fix kernel panic when reset failed and been triggered again

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-24 · updated 2026-08-04
• Weakness: CWE-770

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/amdkfd: Fix kernel panic when reset failed and been triggered again In SRIOV configuration, the reset may failed to bring asic back to normal but stop cpsch already been called, the start_cpsch will not be called since there is no resume in this case. When reset been triggered again, driver should avoid to do uninitialization again.

Affected products

• Linux kernel: before 5.10.84; from 5.11 before 5.15.7; 5.16-rc1 — fixed in 5.10.84, 5.15.7

How to fix

Upgrade to a fixed version: Linux kernel 5.10.84, 5.15.7. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/06c6f8f86ec243b89e52f0c3dc7062bcb9de74df
• https://git.kernel.org/stable/c/2cf49e00d40d5132e3d067b5aa6d84791929ab15
• https://git.kernel.org/stable/c/74aafe99efb68f15e50be9f7032c2168512f98a8
• https://git.kernel.org/stable/c/06c6f8f86ec243b89e52f0c3dc7062bcb9de74df
• https://git.kernel.org/stable/c/2cf49e00d40d5132e3d067b5aa6d84791929ab15
• https://git.kernel.org/stable/c/74aafe99efb68f15e50be9f7032c2168512f98a8

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