CVE-2021-47551

drm/amd/amdkfd: Fix kernel panic when reset failed and been triggered again

State: Published
Severity: 7.8 High
Published: May 24, 2024
Updated: Aug 5, 2026
Reserved: May 24, 2024

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.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	Linux
3.1	6.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-770 Allocation of Resources Without Limits or Throttling

Affected Products

Product	Versions
LinuxLinux	2c99a547bcf9bb8532abd2953479949018449f93 to before 74aafe99efb68f15e50be9f7032c2168512f98a8Affected 2c99a547bcf9bb8532abd2953479949018449f93 to before 06c6f8f86ec243b89e52f0c3dc7062bcb9de74dfAffected 2c99a547bcf9bb8532abd2953479949018449f93 to before 2cf49e00d40d5132e3d067b5aa6d84791929ab15Affected
LinuxLinux	5.5Affected before 5.5Not affected 5.10.84 through 5.10.Not affected 5.15.7 through 5.15.Not affected 5.16 and laterNot affected

References

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