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A flaw was found in the Linux kernel's udmabuf device driver. The specific flaw exists within a fault handler. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an array. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the kernel.

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对数组索引的验证不恰当

Linux kernel 输入验证错误漏洞

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，该漏洞源于缺乏对用户提供的数据的正确验证，这可能导致内存访问超出数组末尾。攻击者可以利用此漏洞可以提升权限并在内核上下文中执行任意代码。

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