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CVE-2026-89898

Last refreshed2026-10-19

Status: UPDATED  |  Advisory ID: CVE-2026-89898

Key Details

CVECVE-2026-89898
CVSS Score / Version
8.8 (High) / CVSS v3.1
Updated2026-10-19
CVSS Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Prose
attack vector is adjacent; attack complexity is low; 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: extron-da-hd-4k-plus: add sanity check

Add check to prevent overflowing msg.msg[] in case the incoming data

is malformed.

What to Do

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

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-89898
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-89898

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