CVE-2001-0316

CVE-2001-0316 affects Linux kernels 2.2 and 2.4 where sysctl can be invoked with a negative length, allowing unprivileged local users to read kernel memory and potentially obtain root privileges. Mitigation in the public records points to upgrading to kernel 2.2.19 or later (and vendor advisories...

CVE-2001-0316

Linux kernel 2.4 and 2.2 allows local users to read kernel memory and possibly gain privileges via a negative argument to the sysctl call...

Проблемы в linux kernel (sysctl и ptrace)

Отрицательное смещение в вызове sysctl позволеят обращаться к памяти ядра, кроме того через ptrace можно изменить выполнение setuid процесса. На intel-архитектурах кроме того возможет DoS...

Дырки в PitBull LX (kernel variable modification)

Атакующий с правами root может обойти защиту путем модификации переменных ядра через sysctl...

Linux kernel sysctl() vulnerability

Hi, OVERVIEW There exists a Linux system call sysctl which is used to query and modify runtime system settings. Unprivileged users are permitted to query the value of many of these settings. The unprivileged user passes in a buffer location and the length of this buffer. Unfortunately, by...

Linux Kernel 2.2.x - sysctl() Memory Reading

Linux Kernel 2.2.x - sysctl Memory Reading / source: https://www.securityfocus.com/bid/2364/info The Linux Kernel is the core of the Linux Operating System. It was originally written by Linus Torvalds, and is publicly maintained. A problem in the Linux kernel may allow root compromise. The sysctl...

Linux Kernel 2.2.x - 'sysctl()' Memory Reading

/ source: https://www.securityfocus.com/bid/2364/info The Linux Kernel is the core of the Linux Operating System. It was originally written by Linus Torvalds, and is publicly maintained. A problem in the Linux kernel may allow root compromise. The sysctl call allows a privileged program to read o...