CVE-2026-46128

Summary

In the Linux kernel, the following vulnerability has been resolved:

ipmi: Check event message buffer response for bad data

The event message buffer response data size got checked later when processing, but check it right after the response comes back. It appears some BMCs may return an empty message instead of an error when fetching events.

There are apparently some new BMCs that make this error, so we need to compensate.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < cf1ef30c42a7079e5bad863cd01c52aa3a17c3acaffected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 474e53d4397087913a5b9c9eb90fa068da4808bfaffected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 01f8387fa5b796f13cf50014c171f6da7abc46eaaffected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 2418e4b21fb1355504d095da5d5f0a210564a43daffected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 7f7ada72c07a83b46045ddfeee526bd9e2e3c8f0affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 42432b579a594b66ac32e5e7b7c26e6bc578ec89affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 24269264c3d59a49eb09b10af2c75b14f2931482affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 36920f30e78e69df01f9691c470b6f3ba8aebf98affected
LinuxLinux2.6.12affected
LinuxLinux0 < 2.6.12unaffected
LinuxLinux5.10.258 <= 5.10.*unaffected
LinuxLinux5.15.209 <= 5.15.*unaffected
LinuxLinux6.1.175 <= 6.1.*unaffected
LinuxLinux6.6.140 <= 6.6.*unaffected
LinuxLinux6.12.88 <= 6.12.*unaffected
LinuxLinux6.18.30 <= 6.18.*unaffected
LinuxLinux7.0.7 <= 7.0.*unaffected
LinuxLinux7.1 <= *unaffected

Weaknesses

References