CVE-2025-40020Incorrect Calculation in Linux

Severity
7.8HIGHOSV
OSV5.5OSV3.2
No vector
EPSS
0.1%
top 81.78%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedOct 24
Latest updateApr 13

Description

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]

Affected Packages7 packages

Linuxlinux/linux_kernel3.4.05.4.300+6
Debianlinux/linux_kernel< 5.10.247-1+3
Ubuntulinux/linux_kernel< 5.15.0-170.180+1
CVEListV5linux/linuxbb4785551f64e18b2c8bb15a3bd2b22f5ebf624d572c656802781cc57f4a3231eefa83547e75ed78+8

🔴Vulnerability Details

22
OSV
linux-raspi vulnerabilities2026-04-01
OSV
linux-raspi, linux-raspi-realtime vulnerabilities2026-04-01
OSV
linux-azure-6.8 vulnerabilities2026-03-25
OSV
linux-azure vulnerabilities2026-03-25
OSV
linux-aws-6.8 vulnerabilities2026-03-23

📋Vendor Advisories

23
Ubuntu
Linux kernel (Azure) vulnerabilities2026-04-13
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities2026-04-09
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities2026-04-09
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities2026-04-01
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities2026-04-01