CVE-2026-89898
media: cec: extron-da-hd-4k-plus: add sanity check
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.
INFO
Published Date :
Sept. 16, 2026, 11:16 a.m.
Last Modified :
Sept. 16, 2026, 3:18 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
Solution
- Apply kernel patches for media/cec/extron-da-hd-4k-plus.
- Ensure input data is properly validated.
- Update affected Linux kernel versions.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-89898.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-89898 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-89898
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-89898 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-89898 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Sep. 16, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Sep. 16, 2026
Action Type Old Value New Value Added 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. Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/89xxx/CVE-2026-89898.json">CVE-2026-89898</a> Added Reference https://git.kernel.org/stable/c/00c13b4ab481a09d915d099815cff1b10926ddd9 Added Reference https://git.kernel.org/stable/c/673611cc2ab9769929644ce879f7ea34932a3011 Added Reference https://git.kernel.org/stable/c/7ad2fec276946a0dedfa54eb26fc38c4fc6a6034 Added Reference https://git.kernel.org/stable/c/abac9820b26b5cfcb01eb79efe2abdd0ac7e07c3