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

Summary

CVECVE-2024-26661
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-04-02 07:15:43 UTC
Updated2026-10-30 13:17:20 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from ADP

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-476 | CWE-476 CWE-476 NULL Pointer Dereference


VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 474ac4a875ca6fea3fc5183d3ad22ef7523dca53 e3bc103045c51271c3e7a808efb187a354678b7d git Not specified
CNA Linux Linux affected 474ac4a875ca6fea3fc5183d3ad22ef7523dca53 3f3c237a706580326d3b7a1b97697e5031ca4667 git Not specified
CNA Linux Linux affected 474ac4a875ca6fea3fc5183d3ad22ef7523dca53 39f24c08363af1cd945abad84e3c87fd3e3c845a git Not specified
CNA Linux Linux affected 474ac4a875ca6fea3fc5183d3ad22ef7523dca53 66951d98d9bf45ba25acf37fe0747253fafdf298 git Not specified
CNA Linux Linux affected 5.9 Not specified
CNA Linux Linux unaffected 5.9 semver Not specified
CNA Linux Linux unaffected 6.1.191 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.17 6.6.* semver Not specified
CNA Linux Linux unaffected 6.7.5 6.7.* semver Not specified
CNA Linux Linux unaffected 6.8 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/66951d98d9bf45ba25acf37fe0747253fafdf298 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/39f24c08363af1cd945abad84e3c87fd3e3c845a af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/e3bc103045c51271c3e7a808efb187a354678b7d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/3f3c237a706580326d3b7a1b97697e5031ca4667 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
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