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CVE-2026-89897

Last refreshed2026-10-19

Status: UPDATED  |  Advisory ID: CVE-2026-89897

Key Details

CVECVE-2026-89897
CVSS Score / Version
7.5 (High) / CVSS v3.1
Updated2026-10-19
CVSS Vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Prose
attack vector is adjacent; attack complexity is high; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected products
Linux Kernel

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
LinuxLinux Kernel
SubsystemsOT Supporting Infrastructure
SectorsAll Sectors

What to Know

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. (NVD)

What to Do

Monitor Linux's web page for any future patch releases.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-89897
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-89897

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