PT-2026-61156 · Linux+1 · Linux Kernel+1

CVE-2026-63839

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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 A memory leak occurs in the lwmi dev evaluate int() function within the platform/x86: lenovo-wmi-helpers module. The issue arises when the retval variable is NULL, causing the output.pointer to be leaked because it is not properly assigned to be handled by the cleanup callback.
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

CVE-2026-63839
USN-8593-1
USN-8603-1
USN-8618-1
USN-8663-1
USN-8664-1
USN-8728-1

Affected Products

Linux Kernel
Ubuntu