Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel 5.14-rc3. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the handling of eBPF programs. The issue results from the lack of proper validation of user-supplied eBPF programs, which can result in a type confusion condition. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the kernel. Was ZDI-CAN-14689.
CVSS Information
N/A
Vulnerability Type
使用不兼容类型访问资源(类型混淆)
Vulnerability Title
Linux kernel 安全漏洞
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，该漏洞源于内核对于eBPF程序的处理。该问题是由于对用户提供的eBPF程序缺乏适当的验证而导致的，这可能会导致类型混淆。此漏洞允许本地攻击者在受影响的Linux内核安装上升级权限。为了利用该漏洞，攻击者可利用该漏洞必须首先获得在目标系统上执行低特权代码的能力。攻击者可利用该漏洞提升权限并在内核上下文中执行任意代码。
CVSS Information
N/A
Vulnerability Type
N/A