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CVE-2024-26661

drm/amd/display: Add NULL test for 'timing generator' in 'dcn21_set_pipe()'

MEDIUM
5.5
CVSS Score
Published: April 2, 2024 at 06:22 AM UTC
Updated: October 30, 2026 at 01:17 PM 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/amd/display: Add NULL test for 'timing generator' in 'dcn21_set_pipe()' In "u32 otg_inst = pipe_ctx->stream_res.tg->inst;" pipe_ctx->stream_res.tg could be NULL, it is relying on the caller to ensure the tg is not NULL.

Affected

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

Linux Kernel· Linux
95%
5.9 ≤ v < 6.6.176.7 ≤ v < 6.7.5474ac4a875ca6fea3fc5183d3ad22ef7523dca536.86.8 rc16.8 rc26.8 rc3
Vendor states this is fixed in 39f24c08363af1cd945abad84e3c87fd3e3c845a (fixed)
Vendor states this is fixed in 3f3c237a706580326d3b7a1b97697e5031ca4667 (fixed)
Vendor states this is fixed in 66951d98d9bf45ba25acf37fe0747253fafdf298 (fixed)
Vendor states this is fixed in 5.9 (unaffected)
Vendor states this is fixed in 6.1.191 (unaffected)
Vendor states this is fixed in 6.6.17 (unaffected)
Vendor states this is fixed in 6.7.5 (unaffected)
Vendor states this is fixed in 6.8 (unaffected)

References (4)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/39f24c08363af1cd945abad84e3c87fd3e3c845a
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/3f3c237a706580326d3b7a1b97697e5031ca4667
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/66951d98d9bf45ba25acf37fe0747253fafdf298
Source: cverecord
https://git.kernel.org/stable/c/e3bc103045c51271c3e7a808efb187a354678b7d

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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