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drm/amd/display: Remove sink usage from DPMS

Assessment

Severity
Moderate
CVSS base score
4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact
Not stated
EPSS, next 30 days
Not scored yet
Public exploit code
No Nuclei template lists it
Exploitability
Not assessed
Publicly disclosed
No
Customer action
Required: apply the update
Component
Mariner
Weakness
—
Issued by
Linux
Published
24 Oct 2026 · October 2026
Last revised
26 Oct 2026Information published.
CVSS 3.1 base metricsRed raises the risk · green lowers it
Attack vector
LocalAV:L
Attack complexity
HighAC:H
Privileges required
LowPR:L
User interaction
NoneUI:N
Scope
UnchangedS:U
Confidentiality
NoneC:N
Integrity
NoneI:N
Availability
HighA:H

Updates that fix it

0 KBs

No KB listed

MSRC lists no downloadable update, which usually means a service-side fix or a release-notes update. Check the MSRC advisory.

Affected products

1 affected product
  • azl3 kernel 6.6.157.1-1 on Azure Linux 3.0
Page history

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Cite this version
Field-level log (0)

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No retained field changes for this selection.

Explore global source statements, affected packages and advisory history for CVE-2026-98926. The catalog has a separate collection scope from Microsoft release records.

Collected exploitation and prediction evidence

Risk source coverage

CISA KEV is observed exploitation evidence. FIRST EPSS is a dated prediction of exploitation in the next 30 days. Missing scores are unknown. This collector requests predictions only for explicit CVE aliases in the public NuGet archive; Microsoft release views retain their existing prediction scope.

No collected risk observation for these identifiers. This does not establish absence of exploitation or a zero probability.

cve-program · CVE-2026-98926

Published

drm/amd/display: Remove sink usage from DPMS

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Remove sink usage from DPMS [Why] stream->sink is optional and can be null, so should always be checked before dereference. Additionally, most of its usage in DPMS sequences is for stream->sink->link, which can be replaced with stream->link, as the two should always be the same. [How] * Replace stream->sink->link in DPMS on/off * Add assert to USB4 BW allocation where sink is required * Avoid inconsistencies in resource access, e.g. don't repeat stream->link after it was already saved to a local variable * Pull out effective VPG calculation to helper getter * Formatting fixes

Source published
23 Oct 2026 12:05:54 UTC
Source modified
26 Oct 2026 06:56:50 UTC
Observed here
26 Oct 2026 08:20:49 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: cve-program · CVE Program Terms of Use. Source text is retained; field grouping and change labels are provided by ChangeIntel.

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 27 Oct 20:54 UTC · 272 of 272 readable · 270 fully read · documentation 467/469 current