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CVE-2025-21990

drm/amdgpu: NULL-check BO's backing store when determining GFX12 PTE flags

MEDIUM
5.5
CVSS Score
Published: April 2, 2025 at 12:53 PM UTC
Updated: June 17, 2026 at 08:44 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: NULL-check BO's backing store when determining GFX12 PTE flags PRT BOs may not have any backing store, so bo->tbo.resource will be NULL. Check for that before dereferencing. (cherry picked from commit 3e3fcd29b505cebed659311337ea03b7698767fc)

Affected

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

Linux Kernel· Linux
95%
6.11 ≤ v < 6.12.206.11 ≤ v < 6.13.86.11 ≤ v < 6.146.13 ≤ v < 6.13.80cce5f285d9ae81c33993f3270fe77f5e74a69ab6.14 rc16.14 rc26.14 rc36.14 rc46.14 rc56.14 rc6
Vendor states this is fixed in 6cc30748e17ea2a64051ceaf83a8372484e597f1 (fixed)
Vendor states this is fixed in 72235808eabea93055b459a63443bd9cd6b08aa4 (fixed)
Vendor states this is fixed in af23e39b9e9280b1f6299b6f2fa090a1694240ad (fixed)
Vendor states this is fixed in 6.11 (unaffected)
Vendor states this is fixed in 6.12.20 (unaffected)
Vendor states this is fixed in 6.13.8 (unaffected)
Vendor states this is fixed in 6.14 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/6cc30748e17ea2a64051ceaf83a8372484e597f1
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/72235808eabea93055b459a63443bd9cd6b08aa4
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/af23e39b9e9280b1f6299b6f2fa090a1694240ad

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476

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