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CVE-2026-81007 Details

Description

In the Linux kernel, the following vulnerability has been resolved: ipmi: ipmb: validate write message length ipmb_write() read message fields before validating the length byte. A zero or short write can read uninitialized stack bytes. A length smaller than the SMBus header underflows the block write length. Require a non-empty buffer and the minimum IPMB request length. Also require the length byte plus payload before parsing the message.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: kernel.orgCVSS-B:7.1 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://git.kernel.org/stable/c/53637506884dbd5c91a89b1a3547d99d80f8ed2c	kernel.org
https://git.kernel.org/stable/c/5719431ca2b5fa26560bb38f6202f8b97fa3bbb0	kernel.org
https://git.kernel.org/stable/c/60939bcda6f3f104ef456fdbf3cc5733c0720fb1	kernel.org
https://git.kernel.org/stable/c/7d66d54b974cff0a959e188af844d2d110422767	kernel.org
https://git.kernel.org/stable/c/8990c7f6bfc1e7689b7012a7d4d0efb9f07a9c89	kernel.org
https://git.kernel.org/stable/c/94f8d20153e348c79bc14dc25f873470518892da	kernel.org
https://git.kernel.org/stable/c/a84c6e3d188f2c6e674910929eb790634299d6d5	kernel.org
https://git.kernel.org/stable/c/e527cd4e80066e1ed070fdc7c705bde340cdcc62	kernel.org

see all 8 references

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

3 change records found show changes

Date	Action	Recorded By
Sep 14, 2026	CVE Modified	kernel.org
Sep 13, 2026	CVE Modified	kernel.org
Sep 11, 2026	New CVE Received	kernel.org