CVE-2025-40020
Not scored
can: peak_usb: fix shift-out-of-bounds issue
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]
Exploit probability
0.2%
Published
October 24, 2025
Required by
Not available
Last source change
July 15, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2025-40020
View original source
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]
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/176c81cbf9c4e348610a421aad800087c0401f60
- https://git.kernel.org/stable/c/17edec1830e48c0becd61642d0e40bc753243b16
- https://git.kernel.org/stable/c/394c58017e5f41043584c345106cae16a4613710
- https://git.kernel.org/stable/c/48822a59ecc47d353400d38b1941d3ae7591ffff
- https://git.kernel.org/stable/c/572c656802781cc57f4a3231eefa83547e75ed78
- https://git.kernel.org/stable/c/61b1dd4c614935169d12bdecc26906e37b508618
- https://git.kernel.org/stable/c/c443be70aaee42c2d1d251e0329e0a69dd96ae54
- https://git.kernel.org/stable/c/eb79ed970670344380e77d62f8188e8015648d94
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40020.json
- https://nvd.nist.gov/vuln/detail/CVE-2025-40020