PT-2026-61193 · Linux+1 · Linux Kernel+1
CVE-2026-63876
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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
zs serial driver where a kernel crash occurs during the initialization of the first serial port. The crash is caused by the dereferencing of a pointer derived from a null pointer to the port's parent device within the serial base ctrl add() function. This occurs because the driver relied on legacy probing, which failed to provide a valid parent device.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