What’s Vulnerable › Vulnerabilities

CVE-2026-89898: media: cec: extron-da-hd-4k-plus: add sanity check

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-16 · updated 2026-10-19

Description

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.

Affected products

• Linux kernel: 6.12 — fixed in 7.3

How to fix

Upgrade to a fixed version: Linux kernel 7.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/00c13b4ab481a09d915d099815cff1b10926ddd9
• https://git.kernel.org/stable/c/673611cc2ab9769929644ce879f7ea34932a3011
• https://git.kernel.org/stable/c/7ad2fec276946a0dedfa54eb26fc38c4fc6a6034
• https://git.kernel.org/stable/c/abac9820b26b5cfcb01eb79efe2abdd0ac7e07c3

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