CVE-2026-81007 Linux Kernel - Buffer Validation Vulnerability

Linux kernel contains a buffer validation vulnerability in ipmb_write() caused by reading message fields before validating length, letting attackers cause memory corruption or information disclosure, exploit requires crafted IPMB messages.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.13% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Buffer Validation Vulnerability
Impact
Information Disclosure, Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Published
11 September 2026
Updated
15 October 2026

Vendor fix

Update to the latest Linux kernel version containing the fix for ipmb_write validation.

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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