CVE-2026-89898
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Linux
PublishedSep 16, 2026
First seenSep 16, 2026
How to fix
Update
- Linux Linux00c13b4ab481a09d915d099815cff1b10926ddd9, 673611cc2ab9769929644ce879f7ea34932a3011, 7ad2fec276946a0dedfa54eb26fc38c4fc6a6034, abac9820b26b5cfcb01eb79efe2abdd0ac7e07c3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 056f2821b631df2b94d3b017fd1e1eef918ed98d ≤ v < 00c13b4ab481a09d915d099815cff1b10926ddd9, 056f2821b631df2b94d3b017fd1e1eef918ed98d ≤ v < 673611cc2ab9769929644ce879f7ea34932a3011, 056f2821b631df2b94d3b017fd1e1eef918ed98d ≤ v < 7ad2fec276946a0dedfa54eb26fc38c4fc6a6034, 056f2821b631df2b94d3b017fd1e1eef918ed98d ≤ v < abac9820b26b5cfcb01eb79efe2abdd0ac7e07c3, 6.12 | 00c13b4ab481a09d915d099815cff1b10926ddd9, 673611cc2ab9769929644ce879f7ea34932a3011, 7ad2fec276946a0dedfa54eb26fc38c4fc6a6034, abac9820b26b5cfcb01eb79efe2abdd0ac7e07c3 |
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