CVE-2026-93826 Linux kernel - Use After Free

Linux kernel contains a use after free caused by stale pointer in hidpp->input after input_register_device() failure in hidpp_connect_event(), letting attackers cause memory corruption, exploit requires triggering device connection failure.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.23% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Use After Free
Impact
Use After Free
CVSS vector
CVSS:3.1/AV:A/AC:H/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 with the fix applied.

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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