CVE-2026-89897

In 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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.6 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/1924d0788caa6c66fd320dd4704fae99487fd2c7
https://git.kernel.org/stable/c/271e57a936dcdbaecb4b1bd005d9a285bbe60ab4
https://git.kernel.org/stable/c/4b532b271c91790b7ab661cd488a7ad36f5c4f6b
https://git.kernel.org/stable/c/5c62095acc2a952099688774513c4a637bcdb2b5
https://git.kernel.org/stable/c/ae614f48712156fb0f55b207338d48d422c58bc0
https://git.kernel.org/stable/c/cac577854826950dda4d53569728b1da6c1425d5
https://git.kernel.org/stable/c/df941e6851da17fc53c7f6af2bdcc7383d17babc
https://git.kernel.org/stable/c/efc829b4b937f98c4467bffe9243f756b7cfbf7f

Configurations

No configuration.

History

16 Sep 2026, 15:18

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5

Information

Published : 2026-09-16 11:16

Updated : 2026-09-16 15:18

NVD link : CVE-2026-89897

Mitre link : CVE-2026-89897

CVE.ORG link : CVE-2026-89897

JSON object : View

Products Affected

No product.

CWE

No CWE.

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