CVE-2026-89898
HIGHCVSS 8.8/10
Last modified
CVE-2026-89898 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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..
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.
Metrics
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= 056f2821b631df2b94d3b017fd1e1eef918ed98d, < 00c13b4ab481a09d915d099815cff1b10926ddd9; >= 056f2821b631df2b94d3b017fd1e1eef918ed98d, < 673611cc2ab9769929644ce879f7ea34932a3011; >= 056f2821b631df2b94d3b017fd1e1eef918ed98d, < 7ad2fec276946a0dedfa54eb26fc38c4fc6a6034; >= 056f2821b631df2b94d3b017fd1e1eef918ed98d, < abac9820b26b5cfcb01eb79efe2abdd0ac7e07c3 |
| Linux | Linux | 6.12 |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-89898?
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.
How severe is CVE-2026-89898?
CVE-2026-89898 has a CVSS score of 8.8/10 (HIGH severity).
How do I fix CVE-2026-89898?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2026-89898?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST