CVE-2026-89522 Linux Kernel media staging/ipu7 - Use After Free

Linux kernel media staging/ipu7 contains a use-after-free caused by improper cleanup of async notifier on probe error path in isys_register_devices, letting attackers cause list corruption and potential memory corruption, exploit requires device probe failure.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
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 for async notifier cleanup on probe error path.

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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