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Fedora 37: 2023-1176c8b10c Critical: OpenSSH Self-DoS Attack Resolution

fedora
Calendar Grey April 18, 2023
Dist Fedora Esm H88
Fedora releases critical OpenSSH patch addressing CVE-2023-25136, effectively mitigating self-DoS vulnerabilities.
Avoid possible self-DoS attack Resolves: CVE-2023-25136

Summary

SSH (Secure SHell) is a program for logging into and executing

commands on a remote machine. SSH is intended to replace rlogin and

rsh, and to provide secure encrypted communications between two

untrusted hosts over an insecure network. X11 connections and

arbitrary TCP/IP ports can also be forwarded over the secure channel.

OpenSSH is OpenBSD's version of the last free version of SSH, bringing

it up to date in terms of security and features.

This package includes the core files necessary for both the OpenSSH

client and server. To make this package useful, you should also

install openssh-clients, openssh-server, or both.

Avoid possible self-DoS attack Resolves: CVE-2023-25136

* Fri Apr 14 2023 Dmitry Belyavskiy - 8.8p1-10

- Avoid possible self-DoS attack

Resolves: CVE-2023-25136

[ 1 ] Bug #2173520 - Please backport the fix for the double-free crash bug you backported :)

https://bugzilla.redhat.com/show_bug.cgi?id=2173520

su -c 'dnf upgrade --advisory FEDORA-2023-1176c8b10c' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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Change Log

References

Update Instructions

Severity
critical
Lowest
Low
Medium
High
Critical

Product: Fedora 37
Version: 8.8p1
Release: 10.fc37
Summary: An open source implementation of SSH protocol version 2

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