PT-2026-64738 · Linux+1 · Linux Kernel+1

CVE-2026-64517

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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 A double-free issue exists in the error path of the xe gsc init post hwconfig() function. The function explicitly frees a Buffer Object (BO) allocated with xe managed bo create pin map() using xe bo unpin map no vm(). Because the managed BO already has a devm cleanup action registered, a double-free occurs when devm unwinds during a probe failure. Devm is a resource management system in the Linux kernel that automatically handles the cleanup of resources allocated during device probing.
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-2026-64517
USN-8618-1
USN-8663-1
USN-8664-1
USN-8728-1

Affected Products

Linux Kernel
Ubuntu