CVE-2026-89523 Linux Kernel mt76 mt7925 - Use After Free

Linux kernel mt76 mt7925 contains a use-after-free vulnerability caused by pending mlo_pm_work running after device reset, suspend, or unregister, letting attackers cause memory corruption or instability, exploit requires device state changes.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.17% chance of exploitation in 30 days
View the NVD record ↗

Details

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

Vendor fix

Update to the latest Linux kernel version containing the fix that cancels pending mlo_pm_work in all relevant teardown and suspend paths.

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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