media: cec: extron-da-hd-4k-plus: add sanity check

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-89898
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-16 11:16:58 UTC
Updated2026-09-16 15:18:16 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: media: cec: extron-da-hd-4k-plus: add sanity check Add check to prevent overflowing msg.msg[] in case the incoming data is malformed.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary8.8HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED8.8HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 056f2821b631df2b94d3b017fd1e1eef918ed98d 00c13b4ab481a09d915d099815cff1b10926ddd9 git Not specified
CNA Linux Linux affected 056f2821b631df2b94d3b017fd1e1eef918ed98d 673611cc2ab9769929644ce879f7ea34932a3011 git Not specified
CNA Linux Linux affected 056f2821b631df2b94d3b017fd1e1eef918ed98d 7ad2fec276946a0dedfa54eb26fc38c4fc6a6034 git Not specified
CNA Linux Linux affected 056f2821b631df2b94d3b017fd1e1eef918ed98d abac9820b26b5cfcb01eb79efe2abdd0ac7e07c3 git Not specified
CNA Linux Linux affected 6.12 Not specified
CNA Linux Linux unaffected 6.12 semver Not specified
CNA Linux Linux unaffected 6.12.110 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.51 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.5 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/673611cc2ab9769929644ce879f7ea34932a3011 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/00c13b4ab481a09d915d099815cff1b10926ddd9 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/abac9820b26b5cfcb01eb79efe2abdd0ac7e07c3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/7ad2fec276946a0dedfa54eb26fc38c4fc6a6034 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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