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shield Security update for xen

SUSE-SLE-Micro-5.5-2026-304

This update for xen fixes the following issues: - 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)

Release Date

Jan 27 2026
References

Bugzilla: 1256745, 1256747
CVEs: CVE-2025-58150, CVE-2026-23553
Type

security
Severity

moderate

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SUSE Linux Enterprise Micro 5.5 x86_64

Packages

xen
Xen Virtualization: Hypervisor (aka VMM aka Microkernel)

4.17.6_04-150500.3.59.1 lock src

xen-libs
Xen Virtualization: Libraries

4.17.6_04-150500.3.59.1 lock rpm