CVE-2026-89897

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.

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