CVE-2016-4794

Use-after-free vulnerability in mm/percpu.c in the Linux kernel through 4.6 allows local users to cause a denial of service BUG or possibly have unspecified other impact via crafted use of the mmap and bpf system calls...

DEBIAN-CVE-2016-4558

The BPF subsystem in the Linux kernel before 4.5.5 mishandles reference counts, which allows local users to cause a denial of service use-after-free or possibly have unspecified other impact via a crafted application on 1 a system with more than 32 Gb of memory, related to the program reference...

CVE-2016-4557

The replacemapfdwithmapptr 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...

CVE-2016-4557

The replacemapfdwithmapptr 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...

Design/Logic Flaw

The BPF subsystem in the Linux kernel before 4.5.5 mishandles reference counts, which allows local users to cause a denial of service use-after-free or possibly have unspecified other impact via a crafted application on 1 a system with more than 32 Gb of memory, related to the program reference...

Design/Logic Flaw

Use-after-free vulnerability in mm/percpu.c in the Linux kernel through 4.6 allows local users to cause a denial of service BUG or possibly have unspecified other impact via crafted use of the mmap and bpf system calls...

Design/Logic Flaw

The replacemapfdwithmapptr 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...

CVE-2016-4557

The replacemapfdwithmapptr 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...

CVE-2016-4557

The replacemapfdwithmapptr 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...

CVE-2016-4558

CVE-2016-4558 : The Linux kernel BPF subsystem before 4.5.5 mishandles reference counts, enabling a local attacker to trigger a denial-of-service via use-after-free, with possible other impact on systems with large memory (32 GB+ and 1 TB mentioned in the advisory). The Nessus/NVD documents confi...

CVE-2016-4794

Use-after-free vulnerability in mm/percpu.c in the Linux kernel through 4.6 allows local users to cause a denial of service BUG or possibly have unspecified other impact via crafted use of the mmap and bpf system calls...

CVE-2016-4794

Use-after-free vulnerability in mm/percpu.c in the Linux kernel through 4.6 allows local users to cause a denial of service BUG or possibly have unspecified other impact via crafted use of the mmap and bpf system calls...

UBUNTU-CVE-2016-4558

The BPF subsystem in the Linux kernel before 4.5.5 mishandles reference counts, which allows local users to cause a denial of service use-after-free or possibly have unspecified other impact via a crafted application on 1 a system with more than 32 Gb of memory, related to the program reference...

CVE-2016-4558

The BPF subsystem in the Linux kernel before 4.5.5 mishandles reference counts, which allows local users to cause a denial of service use-after-free or possibly have unspecified other impact via a crafted application on 1 a system with more than 32 Gb of memory, related to the program reference...

UBUNTU-CVE-2016-4794

Use-after-free vulnerability in mm/percpu.c in the Linux kernel through 4.6 allows local users to cause a denial of service BUG or possibly have unspecified other impact via crafted use of the mmap and bpf system calls...

Linux kernel security bypass vulnerability (CNVD-2016-03201)

Linux kernel is an open source operating system. A security vulnerability exists in Linux kernel bpf, which allows a local attacker to exploit the vulnerability to execute restricted code to load the eBPF socket filter program using the bpf system call...

Linux 内核通过 BPF 系统调用提权漏洞

漏洞概要 4 月 27 日有安全研究人员在 bugs.chromium.org 站点提交了本地提权高 危漏洞。 Linux 内核版本大于等于 4.4 时,当内核编译了 CONFIGBPFSYSCALL 并 且 sysctl 中的 kernel.unprivilegedbpfdisabled 没有明确设置为 1 时,无特 权的代码可以使用 bpf 系统调用加载 eBPF socket 过滤程序,从而达到系统提 权的⺫的,而前面的两个条件在最新的 Linux 发行版 Ubuntu 16.04 桌面版和 服务器版本均满足,经过测试 Kali Rolling 发行版 内核 4.4.0...

UBUNTU-CVE-2016-4557

The replacemapfdwithmapptr 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...

CVE-2016-4557

The replacemapfdwithmapptr 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...

Linux Kernel (Ubuntu 16.04) - Reference Count Overflow Using BPF Maps

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=809 Most things in the kernel use 32-bit reference counters, relying on the fact that the memory constraints of real computers make it impossible to create enough references to overflow the counters. There are exceptions for things...