drm/msm/snapshot: fix dumping of the unaligned regions

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-64039
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-19 16:17:44 UTC
Updated2026-07-20 15:17:04 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: drm/msm/snapshot: fix dumping of the unaligned regions The snapshotting code internally aligns data segment to 16 bytes. This works fine for DPU code (where most of the regions are aligned), but fails for snapshotting of the DSI data (because DSI data region is shifted by 4 bytes). Fix the code by removing length alignment and by accurately printing last registers in the region. While reworking the code also fix the 16x memory overallocation in msm_disp_state_dump_regs(). Patchwork: https://patchwork.freedesktop.org/patch/725449/

Risk And Classification

Primary CVSS: v3.1 7.7 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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

EPSS: 0.002050000 probability, percentile 0.107260000 (date 2026-07-20)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.7HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
3.1CNADECLARED7.7HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 98659487b845c05b6bed85d881713545db674c7c 8fb070cf95847b29ef6cb15ec2c0de2bf4704676 git Not specified
CNA Linux Linux affected 98659487b845c05b6bed85d881713545db674c7c cecd34e046121d788a70b5c8b4f8a88916637953 git Not specified
CNA Linux Linux affected 98659487b845c05b6bed85d881713545db674c7c 070e40acc59ef7bedba0314f59971ba87fcc8ab0 git Not specified
CNA Linux Linux affected 98659487b845c05b6bed85d881713545db674c7c 1ef79be774706dddcfcace0331fa7ff32a73c73e git Not specified
CNA Linux Linux affected 98659487b845c05b6bed85d881713545db674c7c cdd1aaf0ee962f50810b9aef7928f2313989d55f git Not specified
CNA Linux Linux affected 98659487b845c05b6bed85d881713545db674c7c 0c90ececfad3fc5c4c43a75ece0e2d736ab3def1 git Not specified
CNA Linux Linux affected 98659487b845c05b6bed85d881713545db674c7c 76824d2467feb1828b745d6add2541918d7be3da git Not specified
CNA Linux Linux affected 5.14 Not specified
CNA Linux Linux unaffected 5.14 semver Not specified
CNA Linux Linux unaffected 5.15.209 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.175 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.142 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.92 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.34 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.11 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/76824d2467feb1828b745d6add2541918d7be3da 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/8fb070cf95847b29ef6cb15ec2c0de2bf4704676 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/0c90ececfad3fc5c4c43a75ece0e2d736ab3def1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/cdd1aaf0ee962f50810b9aef7928f2313989d55f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/cecd34e046121d788a70b5c8b4f8a88916637953 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/1ef79be774706dddcfcace0331fa7ff32a73c73e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/070e40acc59ef7bedba0314f59971ba87fcc8ab0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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