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CVE-2026-89897high

media: cec: Serialize exclusive follower delivery

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.5epss 0.3%
exploitation probability
0.3%top 77% of all CVEs
observed exploitation
nono source reports it
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:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Linux · Linux