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VULNERABILITIES

CVE-2026-98891 Details

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: validate deauth frame length before reason access ieee80211_rx_mgmt_deauth() reads the deauth reason code before checking that the fixed field is actually present in the received frame. Validate the deauth frame length first and only then read the reason code.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/4a360c6e18dfa9d70006c7247a6a8cc8dfe0d60f kernel.org
https://git.kernel.org/stable/c/51092dc769f021e9634474e1bd5a561da477fbdb kernel.org
https://git.kernel.org/stable/c/7a5ef1fd654d0e90d59aa32c881789c8bcc4125a kernel.org
https://git.kernel.org/stable/c/80d1a110e9096b5bf41497f6b151154084862385 kernel.org
https://git.kernel.org/stable/c/9df64ad43e1f2c036667bba2bf385e9d7b3af564 kernel.org

see all 7 references

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-98891
NVD Published Date:
Oct 23, 2026
NVD Last Modified:
Oct 26, 2026
Source:
kernel.org
CVE-2026-98891 Details - Not Deferred