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I. Basic Information for CVE-2025-21775
Vulnerability Information

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Vulnerability Title
can: ctucanfd: handle skb allocation failure
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: can: ctucanfd: handle skb allocation failure If skb allocation fails, the pointer to struct can_frame is NULL. This is actually handled everywhere inside ctucan_err_interrupt() except for the only place. Add the missed NULL check. Found by Linux Verification Center (linuxtesting.org) with SVACE static analysis tool.
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ctucanfd驱动未正确处理skb分配失败,可能导致空指针取消引用。
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 2dcb8e8782d8e4c38903bf37b1a24d3ffd193da7 ~ 84b9ac59978a6a4e0812d1c938fad97306272cef -
LinuxLinux 5.19 -
II. Public POCs for CVE-2025-21775
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III. Intelligence Information for CVE-2025-21775
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IV. Related Vulnerabilities
V. Comments for CVE-2025-21775

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