Security update for xen
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)
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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)
05 / REFERENCES
Further evidence
- https://bugzilla.suse.com/1252692
- https://bugzilla.suse.com/1256745
- https://bugzilla.suse.com/1256747
- https://www.suse.com/security/cve/CVE-2025-58149
- https://www.suse.com/security/cve/CVE-2025-58150
- https://www.suse.com/security/cve/CVE-2026-23553
- https://www.suse.com/support/update/announcement/2026/suse-su-20260328-1/