High severity7.1NVD Advisory· Published Sep 11, 2026· Updated Oct 19, 2026
CVE-2026-81007
CVE-2026-81007
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- osv-coords2 versions
>= 5.3.0, < 5.10.270+ 1 more
- (no CPE)range: >= 5.3.0, < 5.10.270
- (no CPE)range: < 7.2.6-1.1
Patches
Vulnerability mechanics
References
8- git.kernel.org/stable/c/53637506884dbd5c91a89b1a3547d99d80f8ed2cnvd
- git.kernel.org/stable/c/5719431ca2b5fa26560bb38f6202f8b97fa3bbb0nvd
- git.kernel.org/stable/c/60939bcda6f3f104ef456fdbf3cc5733c0720fb1nvd
- git.kernel.org/stable/c/7d66d54b974cff0a959e188af844d2d110422767nvd
- git.kernel.org/stable/c/8990c7f6bfc1e7689b7012a7d4d0efb9f07a9c89nvd
- git.kernel.org/stable/c/94f8d20153e348c79bc14dc25f873470518892danvd
- git.kernel.org/stable/c/a84c6e3d188f2c6e674910929eb790634299d6d5nvd
- git.kernel.org/stable/c/e527cd4e80066e1ed070fdc7c705bde340cdcc62nvd
News mentions
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