Bug 2422795 (CVE-2025-68290)

Summary: CVE-2025-68290 kernel: most: usb: fix double free on late probe failure
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
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Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
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Hardware: All   
OS: Linux   
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Description OSIDB Bzimport 2025-12-16 16:01:58 UTC 
In the Linux kernel, the following vulnerability has been resolved:

most: usb: fix double free on late probe failure

The MOST subsystem has a non-standard registration function which frees
the interface on registration failures and on deregistration.

This unsurprisingly leads to bugs in the MOST drivers, and a couple of
recent changes turned a reference underflow and use-after-free in the
USB driver into several double free and a use-after-free on late probe
failures.
Comment 1 Alexander B 2025-12-16 19:56:23 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025121639-CVE-2025-68290-e13c@gregkh/T