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SUSE Linux 15 SP6: Security Advisory 2025:0585-1 Moderate: Openssh DoS MitM

suse
Calendar Grey February 18, 2025
Dist Suse Esm H88
Obtain urgent patches for openssh on SUSE that tackle two significant security vulnerabilities concerning Denial of Service and Man-in-the-Middle threats.
* bsc#1237040 * bsc#1237041 Cross-References: * CVE-2025-26465

Summary

## This update for openssh fixes the following issues: * CVE-2025-26465: Fixed MitM attack against OpenSSH's VerifyHostKeyDNS-enabled client (bsc#1237040). * CVE-2025-26466: Fixed DoS attack against OpenSSH's client and server (bsc#1237041). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * openSUSE Leap 15.6 zypper in -t patch SUSE-2025-585=1 openSUSE-SLE-15.6-2025-585=1 * Basesystem Module 15-SP6 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP6-2025-585=1 * Desktop Applications Module 15-SP6 zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-SP6-2025-585=1 ## Package List:

Topics%20covered

Topics Covered

security advisory moderate update software update DoS openssh SUSE MitM Man-in-the-Middle

References

* bsc#1237040

* bsc#1237041

Cross-

* CVE-2025-26465

* CVE-2025-26466

CVSS scores:

* CVE-2025-26465 ( SUSE ): 6.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

* CVE-2025-26466 ( SUSE ): 8.2

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

* CVE-2025-26466 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

* Basesystem Module 15-SP6

* Desktop Applications Module 15-SP6

* openSUSE Leap 15.6

* SUSE Linux Enterprise Desktop 15 SP6

* SUSE Linux Enterprise Real Time 15 SP6

* SUSE Linux Enterprise Server 15 SP6

* SUSE Linux Enterprise Server for SAP Applications 15 SP6

An update that solves two vulnerabilities can now be installed.

##

* https://www.suse.com/security/cve/CVE-2025-26465.html

* https://www.suse.com/security/cve/CVE-2025-26466.html

Announcement ID: SUSE-SU-2025:0585-1
Release Date: 2025-02-18T16:42:30Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate update software update DoS openssh SUSE MitM Man-in-the-Middle

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