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

suse
Calendar Grey February 18, 2025
Scroller Suse
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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