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A local privilege escalation vulnerability existed in OpenSSH 6.8 to 6.9 (CVE-2015-6565) due to world-writable (622) TTY devices, which was believed to be a denial of service vulnerability. [40] With the use of the TIOCSTI ioctl , it was possible for authenticated users to inject characters into other users terminals and execute arbitrary ...
Debian Unstable, known as "Sid", contains all the latest packages as soon as they are available, and follows a rolling-release model. [6]Once a package has been in Debian Unstable for 2–10 days (depending on the urgency of the upload), doesn't introduce critical bugs and doesn't break other packages (among other conditions), it is included in Debian Testing, also known as "next-stable".
The vulnerability can be tested with the following command: env x = '() { :;}; echo vulnerable' bash -c "echo this is a test" In systems affected by the vulnerability, the above commands will display the word "vulnerable" as a result of Bash executing the command "echo vulnerable" , which was embedded into the specially crafted environment ...
Red Hat Enterprise Linux (RHEL) is a commercial open-source [6] [7] [8] Linux distribution [9] [10] developed by Red Hat for the commercial market. Red Hat Enterprise Linux is released in server versions for x86-64, Power ISA, ARM64, and IBM Z and a desktop version for x86-64. Fedora Linux and CentOS Stream serve as its upstream sources.
Debian (/ ˈ d ɛ b i ə n /), [7] [8] also known as Debian GNU/Linux, is a free and open source [b] Linux distribution, developed by the Debian Project, which was established by the late Ian Murdock in August 1993. Debian is one of the oldest operating systems based on the Linux kernel, and is the basis for many other Linux distributions.
The Linux kernel is a free and open source, [11]: 4 Unix-like kernel that is used in many computer systems worldwide. The kernel was created by Linus Torvalds in 1991 and was soon adopted as the kernel for the GNU operating system (OS) which was created to be a free replacement for Unix.