Bug 2406203 (CVE-2025-40020)

Summary: CVE-2025-40020 kernel: can: peak_usb: fix shift-out-of-bounds issue
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Priority: medium    
Version: unspecifiedKeywords: Security
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OS: Linux   
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Description OSIDB Bzimport 2025-10-24 13:01:36 UTC 
In the Linux kernel, the following vulnerability has been resolved:

can: peak_usb: fix shift-out-of-bounds issue

Explicitly uses a 64-bit constant when the number of bits used for its
shifting is 32 (which is the case for PC CAN FD interfaces supported by
this driver).

[mkl: update subject, apply manually]
Comment 1 Keith Grant 2025-10-24 13:38:38 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025102402-CVE-2025-40020-490f@gregkh/T