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Debian 10.9 Kernel Security Flaw Identified in DSA-5123-1 Update

suse
Calendar Grey January 28, 2026
Dist Suse Esm H88
Update for SUSE fixes six vulnerabilities in Xen, ensuring system stability and security while addressing critical issues.
An update that solves six vulnerabilities can now be installed.

Summary

## This update for xen fixes the following issues: Security fixes: * CVE-2025-58150: Fixed buffer overrun with shadow paging and tracing (XSA-477) (bsc#1256745) * CVE-2026-23553: Fixed incomplete IBPB for vCPU isolation (XSA-479) (bsc#1256747) * CVE-2025-58149: Fixed incorrect removal od permissions on PCI device unplug allow PV guests to access memory of devices no longer assigned to it (XSA-476) (bsc#1252692) * CVE-2025-27466, CVE-2025-58142, CVE-2025-58143: Fixed multiple vulnerabilities in the Viridian interface (XSA-472) (bsc#1248807) Other fixes: * Fixed virtxend service restart. Caused by a failure to start xenstored (bsc#1254180)

Topics%20covered

Topics Covered

security advisory moderate SuSE buffer overrun xen vcpu isolation

References

* bsc#1248807

* bsc#1252692

* bsc#1254180

* bsc#1256745

* bsc#1256747

Cross-

* CVE-2025-27466

* CVE-2025-58142

* CVE-2025-58143

* CVE-2025-58149

* CVE-2025-58150

* CVE-2026-23553

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-2025-58149 ( SUSE ): 4.3

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

Announcement ID: SUSE-SU-2026:0303-1
Release Date: 2026-01-27T16:14:45Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate SuSE buffer overrun xen vcpu isolation

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