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I. Basic Information for CVE-2022-2785
Vulnerability Information

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Vulnerability Title
Arbitrary Memory read in BPF Linux Kernel
Source: NVD (National Vulnerability Database)
Vulnerability Description
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
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 缓冲区错误漏洞
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。
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 KernelKernel 5.14 ~ af2ac3e13e45 -
II. Public POCs for CVE-2022-2785
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III. Intelligence Information for CVE-2022-2785
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IV. Related Vulnerabilities
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