Bug 2406203 (CVE-2025-40020) - CVE-2025-40020 kernel: can: peak_usb: fix shift-out-of-bounds issue
Summary: CVE-2025-40020 kernel: can: peak_usb: fix shift-out-of-bounds issue
Keywords:
Status: NEW
Alias: CVE-2025-40020
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-10-24 13:01 UTC by OSIDB Bzimport
Modified: 2025-10-24 14:22 UTC (History)
0 users

Fixed In Version:
Clone Of:
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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
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