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SUSE: Xen Important Fixes for Input Sanitization Issues 2025:3843-1

suse
Calendar Grey October 28, 2025
Dist Suse Esm H88
This security update addresses multiple vulnerabilities in Xen, including input sanitization issues and more.
* bsc#1248807 * bsc#1251271 Cross-References: * CVE-2025-27466

Summary

## This update for xen fixes the following issues: * CVE-2025-58147, CVE-2025-58148: Fixed incorrect input sanitisation in Viridian hypercalls (bsc#1251271, XSA-475) * CVE-2025-27466, CVE-2025-58142, CVE-2025-58143: Fixed mutiple vulnerabilities in the Viridian interface (bsc#1248807, XSA-472) ## 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 15.4 zypper in -t patch SUSE-2025-3843=1 * SUSE Linux Enterprise Micro for Rancher 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2025-3843=1 * SUSE Linux Enterprise Micro 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2025-3843=1 * SUSE Linux Enterprise Micro for Rancher 5.4

Topics%20covered

Topics Covered

security advisory SuSE important input sanitization xen incorrect

References

* bsc#1248807

* bsc#1251271

Cross-

* CVE-2025-27466

* CVE-2025-58142

* CVE-2025-58143

* CVE-2025-58147

* CVE-2025-58148

CVSS scores:

* CVE-2025-27466 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

* CVE-2025-27466 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-58142 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

* CVE-2025-58142 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-58143 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-58143 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-58147 ( SUSE ): 6.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:H

* CVE-2025-58148 ( SUSE ): 6.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:H

Affected Products:

* openSUSE Leap 15.4

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:3843-1
Release Date: 2025-10-28T16:40:50Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE important input sanitization xen incorrect

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