PT-2026-64724 · Linux+1 · Linux Kernel+1

CVE-2026-64503

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Published

2026-07-25

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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 kxsd9 write raw() function where a runtime Power Management (PM) reference is acquired using pm runtime get sync() but is not released when a scale with a non-zero integer part is requested. In this scenario, the function returns -EINVAL immediately, skipping the pm runtime put autosuspend() call. This results in a leak of the runtime PM usage-counter reference, which prevents the device from entering the autosuspend state.
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-2026-64503
ECHO-8360-2987-1C34
OPENSUSE-SU-2026:11476-1
USN-8726-1
USN-8727-1
USN-8728-1

Affected Products

Linux Kernel
Ubuntu