openSUSE 15: xen / xen-devel / xen-doc-html / xen-libs / xen-libs-32bit / etc (SUSE-SU-2026:0306-1)

The remote openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0306-1 advisory. - CVE-2025-58150: Fixed buffer overrun with shadow paging and tracing XSA-477 bsc1256745 - CVE-2026-23553: Fixed incomplete IBPB for vCPU isolation...

CVE-2025-58150

The Xen hypervisor is vulnerable to a buffer overrun when using shadow paging and tracing (XSA-477). The root cause is that shadow mode tracing code utilizes per-CPU variables to avoid parameter passing; however, these variables are written with guest-controlled data of guest-controllable size wi...

Security update for xen

This update for xen fixes the following issues: CVE-2025-58150: Fixed buffer overrun with shadow paging and tracing XSA-477 bsc1256745 CVE-2026-23553: Fixed incomplete IBPB for vCPU isolation XSA-479 bsc1256747 Special Instructions and Notes: Please reboot the system after installing this update...

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 bsc1256745 CVE-2026-23553: Fixed incomplete IBPB for vCPU isolation XSA-479 bsc1256747 CVE-2025-58149: Fixed incorrect removal od permissions on PCI device...