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CVE-2016-4557

EPSS 19.54% · P95
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I. Basic Information for CVE-2016-4557

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
The replace_map_fd_with_map_ptr function in kernel/bpf/verifier.c in the Linux kernel before 4.5.5 does not properly maintain an fd data structure, which allows local users to gain privileges or cause a denial of service (use-after-free) via crafted BPF instructions that reference an incorrect file descriptor.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux kernel 4.5.5之前版本的kernel/bpf/verifier.c文件中的‘replace_map_fd_with_map_ptr’函数存在安全漏洞，该漏洞源于程序没有正确维持fd数据结构体。本地攻击者可借助引用不正确文件描述符的BPF指令利用该漏洞获取权限或造成拒绝服务（释放后重用）。
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

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II. Public POCs for CVE-2016-4557

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III. Intelligence Information for CVE-2016-4557

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Same Patch Batch · n/a · 2016-05-23 · 28 CVEs total

CVE-2016-4482Linux kernel 信息泄露漏洞
CVE-2016-4951Linux kernel 拒绝服务漏洞
CVE-2016-4913Linux kernel 信息泄露漏洞
CVE-2016-4805Linux kernel 释放后重用漏洞
CVE-2016-4794Linux kernel 释放后重用漏洞
CVE-2016-4581Linux kernel 安全漏洞
CVE-2016-4580Linux kernel 安全漏洞
CVE-2016-4578Linux kernel 信息泄露漏洞
CVE-2016-4569Linux kernel 信息泄露漏洞
CVE-2016-4568Linux kernel 拒绝服务漏洞
CVE-2016-4565Linux kernel 拒绝服务漏洞
CVE-2016-4558Linux kernel BPF子系统拒绝服务漏洞
CVE-2016-4486Linux kernel 信息泄露漏洞
CVE-2016-4485Linux kernel 信息泄露漏洞
CVE-2015-8558QEMU 拒绝服务漏洞
CVE-2016-4783Lenovo SHAREit 跨站脚本漏洞
CVE-2016-4782Lenovo SHAREit 安全漏洞
CVE-2016-4577多款Huawei产品缓冲区溢出漏洞
CVE-2016-4576多款Huawei产品缓冲区溢出漏洞
CVE-2016-4087Huawei S12700和S5700 输入验证漏洞

Showing top 20 of 28 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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Same vendor: n/a

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