CVE-2021-47551

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

HIGH
7.8
CVSS Score
Published: May 24, 2024 at 03:09 PM UTC
Updated: August 5, 2026 at 09:24 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 5.10.845.11 ≤ v < 5.15.75.5 ≤ v < 5.10.845.5 ≤ v < 5.15.75.5 ≤ v < 5.162c99a547bcf9bb8532abd2953479949018449f935.16 rc1
Vendor states this is fixed in 06c6f8f86ec243b89e52f0c3dc7062bcb9de74df (fixed)
Vendor states this is fixed in 2cf49e00d40d5132e3d067b5aa6d84791929ab15 (fixed)
Vendor states this is fixed in 74aafe99efb68f15e50be9f7032c2168512f98a8 (fixed)
Vendor states this is fixed in 5.10.84 (unaffected)
Vendor states this is fixed in 5.15.7 (unaffected)
Vendor states this is fixed in 5.16 (unaffected)
Vendor states this is fixed in 5.5 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/06c6f8f86ec243b89e52f0c3dc7062bcb9de74df
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/2cf49e00d40d5132e3d067b5aa6d84791929ab15
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/74aafe99efb68f15e50be9f7032c2168512f98a8

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-770

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