Vulnerability Description
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 Score
HIGH
References
- 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
FAQ
What is CVE-2026-89897?
CVE-2026-89897 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 lo...
How severe is CVE-2026-89897?
CVE-2026-89897 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-89897?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.