CVE-2022-2785— Linux kernel 缓冲区错误漏洞

Arbitrary Memory read in BPF Linux Kernel

There exists an arbitrary memory read within the Linux Kernel BPF - Constants provided to fill pointers in structs passed in to bpf_sys_bpf are not verified and can point anywhere, including memory not owned by BPF. An attacker with CAP_BPF can arbitrarily read memory from anywhere on the system. We recommend upgrading past commit 86f44fcec22c

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

跨界内存读

Linux kernel 缓冲区错误漏洞

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 存在缓冲区错误漏洞，该漏洞源于BPF 内存在任意内存读取 - 用于填充传递给 bpf_sys_bpf 的结构中的指针的常量未经验证，可以指向任何地方，包括不属于 BPF 的内存，攻击者利用该漏洞可以从系统的任何位置任意读取内存。

N/A

N/A