Linux

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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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OpenSSH: race condition in sshd allows remote code execution (stackdiary.com)

submitted 4 months ago by tmpod@lemmy.pt to c/linux@lemmy.ml

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cross-posted from: https://lemmy.pt/post/5733711

A severe vulnerability in OpenSSH, dubbed "regreSSHion" (CVE-2024-6387), has been discovered by the Qualys Threat Research Unit, potentially exposing

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[–] lengau@midwest.social 1 points 4 months ago* (last edited 4 months ago)

The packages in most distros will also restart the server for you. Any existing SSH sessions will technically be running in vulnerable versions, but if I'm understanding the vulnerability correctly this isn't a problem, as they won't be trying to authenticate a user.

If you want to be sure, you can manually restart the ssh server yourself. On most distros sudo systemctl restart sshd should do it.