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CVE-2025-40020— can: peak_usb: fix shift-out-of-bounds issue

EPSS 0.06% · P18
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I. Basic Information for CVE-2025-40020

Vulnerability Information
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Vulnerability Title
can: peak_usb: fix shift-out-of-bounds issue
Source: NVD (National Vulnerability Database)
Vulnerability 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]
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于移位操作超出边界，可能导致内存损坏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d ~ 572c656802781cc57f4a3231eefa83547e75ed78 -
LinuxLinux 3.4 -

II. Public POCs for CVE-2025-40020

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III. Intelligence Information for CVE-2025-40020

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Same Patch Batch · Linux · 2025-10-24 · 8 CVEs total

CVE-2023-53733net: sched: cls_u32: Undo tcf_bind_filter if u32_replace_hw_knode
CVE-2025-40018ipvs: Defer ip_vs_ftp unregister during netns cleanup
CVE-2025-40019crypto: essiv - Check ssize for decryption and in-place encryption
CVE-2025-40021tracing: dynevent: Add a missing lockdown check on dynevent
CVE-2025-40022crypto: af_alg - Fix incorrect boolean values in af_alg_ctx
CVE-2025-40023drm/xe/vf: Don't expose sysfs attributes not applicable for VFs
CVE-2025-40024vhost: Take a reference on the task in struct vhost_task.

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-40020

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