this post was submitted on 31 Jan 2024
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Linux

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From Wikipedia, the free encyclopedia

Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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[–] [email protected] 95 points 6 months ago (11 children)

"A qsort vulnerability is due to a missing bounds check and can lead to memory corruption. It has been present in all versions of glibc since 1992. "

This one amazes me. Imagine how many vulnerabilities future researchers will discover in ancient software that persisted/persist for decades.

[–] [email protected] 67 points 6 months ago* (last edited 6 months ago) (7 children)

That's not the main part of the article, just a footnote, for anyone wondering.

The flaw resides in the glibc’s syslog function, an attacker can exploit the flaw to gain root access through a privilege escalation.

The vulnerability was introduced in glibc 2.37 in August 2022.

[–] [email protected] -2 points 6 months ago (2 children)

Wait, why has a compiler system log functionlity?

[–] [email protected] 22 points 6 months ago

glibc is a library, gcc is the compiler.

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