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I. Basic Information for CVE-2021-23134
Vulnerability Information
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Vulnerability Title
Linux kernel llcp_sock_bind/connect use-after-free
Source: NVD (National Vulnerability Database)
Vulnerability Description
Use After Free vulnerability in nfc sockets in the Linux Kernel before 5.12.4 allows local attackers to elevate their privileges. In typical configurations, the issue can only be triggered by a privileged local user with the CAP_NET_RAW capability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
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 5.12.2版本之前存在安全漏洞。该漏洞允许本地攻击者提升特权。
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
Linux KernelLinux Kernel unspecified ~ 5.12.4 -
II. Public POCs for CVE-2021-23134
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III. Intelligence Information for CVE-2021-23134
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IV. Related Vulnerabilities
Same product: Linux Kernel
Same vendor: Linux Kernel
Same weakness: CWE-416
V. Comments for CVE-2021-23134

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