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Alerts This Week
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Fedora 40: FEDORA-2024-dc89a2e1bf Critical: OpenSSH Logic Issue

fedora
Calendar Grey July 2, 2024
Dist Fedora Esm H88
Keep informed about Fedora 40 security enhancements for OpenSSH, including recent patches targeting significant logic flaws and security threats.
Backport fix for CVE-2024-6387 (rhbz#2294879) Backport fix for ObscureKeystrokeTiming logic error from OpenSSH 9.8

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.

Update Information:

Backport fix for CVE-2024-6387 (rhbz#2294879) Backport fix for ObscureKeystrokeTiming logic error from OpenSSH 9.8

Topics%20covered

Topics Covered

security advisory security update Fedora remote access critical fix OpenSSH logic error

Change Log

* Tue Jul 2 2024 Dmitry Belyavskiy - 9.6p1-1.4 - rebuilt * Mon Jul 1 2024 Daniel Milnes - 9.6p1-1.3 - Backport fix for CVE-2024-6387 (rhbz#2294879) - Backport fix for ObscureKeystrokeTiming logic error from OpenSSH 9.8

References


[ 1 ] Bug #2294904 - CVE-2024-6387 openssh: Possible remote code execution due to a race condition in signal handling [fedora-40] https://bugzilla.redhat.com/show_bug.cgi?id=2294904

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2024-dc89a2e1bf' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
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Name: openssh
Product: Fedora 40
Version: 9.6p1
Release: 1.fc40.4
URL: https://www.openssh.org/portable.html
Summary: An open source implementation of SSH protocol version 2

Topics%20covered

Topics Covered

security advisory security update Fedora remote access critical fix OpenSSH logic error

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