PT-2026-61249 · Linux+1 · Linux Kernel+1
CVE-2026-63932
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Published
2026-07-19
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Updated
2026-09-07
None
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Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
An issue exists in the
mhz19b receive buf() function where serial data chunks are appended to the fixed MHZ19B CMD SIZE receive buffer without verifying if the chunk fits in the remaining space. This can lead to a buffer overflow of st->buf if a large callback is received before the command path validates the reply.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
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Related Identifiers
Affected Products
Linux Kernel
Ubuntu