CVE-2026-93806 Linux Kernel - Validation Bypass

Linux kernel contains a validation bypass caused by improper length checks in cfg80211_rx_assoc_resp() during association response processing, letting attackers potentially cause memory corruption or denial of service, exploit requires crafted association response frames.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.25% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Validation Bypass
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
24 September 2026
Updated
15 October 2026

Vendor fix

Update to the latest Linux kernel version containing the fix.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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