CVE-2026-90402 Linux Kernel - Denial of Service

Linux kernel contains a device management flaw caused by improper cleanup in mhi_register_controller() when sysfs_create_file() fails, letting attackers cause resource leaks or inconsistent device states, exploit requires triggering sysfs failure.

CVSS base score 7.0 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.12% chance of exploitation in 30 days
View the NVD record ↗

Details

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

Vendor fix

Update to the latest Linux kernel version with the fix for controller cleanup on EDL sysfs failure.

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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