media: cec: Serialize exclusive follower delivery

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-89897
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-16 11:16:58 UTC
Updated2026-09-16 15:18:15 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: media: cec: Serialize exclusive follower delivery cec_receive_notify() reads the exclusive follower pointer without the adapter lock. Serialize the no-follower check and message delivery against mode changes and release.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.5HIGHCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 9881fe0ca187c213eb3a6a8e78e45ad4d1cec171 efc829b4b937f98c4467bffe9243f756b7cfbf7f git Not specified
CNA Linux Linux affected 9881fe0ca187c213eb3a6a8e78e45ad4d1cec171 cac577854826950dda4d53569728b1da6c1425d5 git Not specified
CNA Linux Linux affected 9881fe0ca187c213eb3a6a8e78e45ad4d1cec171 4b532b271c91790b7ab661cd488a7ad36f5c4f6b git Not specified
CNA Linux Linux affected 9881fe0ca187c213eb3a6a8e78e45ad4d1cec171 271e57a936dcdbaecb4b1bd005d9a285bbe60ab4 git Not specified
CNA Linux Linux affected 9881fe0ca187c213eb3a6a8e78e45ad4d1cec171 df941e6851da17fc53c7f6af2bdcc7383d17babc git Not specified
CNA Linux Linux affected 9881fe0ca187c213eb3a6a8e78e45ad4d1cec171 5c62095acc2a952099688774513c4a637bcdb2b5 git Not specified
CNA Linux Linux affected 9881fe0ca187c213eb3a6a8e78e45ad4d1cec171 ae614f48712156fb0f55b207338d48d422c58bc0 git Not specified
CNA Linux Linux affected 9881fe0ca187c213eb3a6a8e78e45ad4d1cec171 1924d0788caa6c66fd320dd4704fae99487fd2c7 git Not specified
CNA Linux Linux affected 4.8 Not specified
CNA Linux Linux unaffected 4.8 semver Not specified
CNA Linux Linux unaffected 5.10.270 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.221 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.188 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.157 6.6.* 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/5c62095acc2a952099688774513c4a637bcdb2b5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/4b532b271c91790b7ab661cd488a7ad36f5c4f6b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/df941e6851da17fc53c7f6af2bdcc7383d17babc 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/efc829b4b937f98c4467bffe9243f756b7cfbf7f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/cac577854826950dda4d53569728b1da6c1425d5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ae614f48712156fb0f55b207338d48d422c58bc0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/271e57a936dcdbaecb4b1bd005d9a285bbe60ab4 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/1924d0788caa6c66fd320dd4704fae99487fd2c7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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