CVE-2026-81006 Linux kernel ipmi - Use After Free

Linux kernel ipmi contains a use-after-free vulnerability caused by incomplete sysfs file removal on ipmi_add_smi registration failure, letting attackers cause system instability or denial of service, exploit requires triggering registration failure.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.13% 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 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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