CVE-2026-89897

EUVD-2026-80497
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
ADJACENT_NETWORK
HIGH
NONE
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
vulnerable
bookworm (security)
vulnerable
forky
vulnerable
sid
vulnerable
trixie
vulnerable
trixie (security)
vulnerable
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