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I. Basic Information for CVE-2025-21762
Vulnerability Information

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Vulnerability Title
arp: use RCU protection in arp_xmit()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: arp: use RCU protection in arp_xmit() arp_xmit() can be called without RTNL or RCU protection. Use RCU protection to avoid potential UAF.
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 资源管理错误漏洞
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arp_xmit函数未使用RCU保护,可能导致释放后重用。
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 29a26a56803855a79dbd028cd61abee56237d6e5 ~ 10f555e3f573d004ae9d89b3276abb58c4ede5c3 -
LinuxLinux 4.4 -
II. Public POCs for CVE-2025-21762
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III. Intelligence Information for CVE-2025-21762
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IV. Related Vulnerabilities
V. Comments for CVE-2025-21762

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