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...

SUSE SLED15: xen / xen-devel / xen-doc-html / xen-libs / xen-libs-32bit / etc (SUSE-SU-2026:0012-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0012-1 advisory. Security issues fixed: - CVE-2025-27466: NULL pointer dereference in the Viridian interface when...

Security update for xen

This update for xen fixes the following issues: Security issues fixed: CVE-2025-27466: NULL pointer dereference in the Viridian interface when updating the reference TSC area bsc1248807. CVE-2025-58142: NULL pointer dereference in the Viridian interface due to assumption that the SIM page is mapp...

SUSE-SU-2026:0012-1 Security update for xen

This update for xen fixes the following issues: Security issues fixed: - CVE-2025-27466: NULL pointer dereference in the Viridian interface when updating the reference TSC area bsc1248807. - CVE-2025-58142: NULL pointer dereference in the Viridian interface due to assumption that the SIM page is...

SUSE SLES15: xen / xen-devel / xen-libs / xen-tools / xen-tools-domU / etc (SUSE-SU-2025:3843-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:3843-1 advisory. - CVE-2025-58147, CVE-2025-58148: Fixed incorrect input sanitisation in Viridian hypercalls bsc1251271, XSA-475 - CVE-2025-27466,...

Security update for xen

This update for xen fixes the following issues: CVE-2025-58147, CVE-2025-58148: Fixed incorrect input sanitisation in Viridian hypercalls bsc1251271, XSA-475 CVE-2025-27466, CVE-2025-58142, CVE-2025-58143: Fixed mutiple vulnerabilities in the Viridian interface bsc1248807, XSA-472 Patch...

SUSE-SU-2025:3843-1 Security update for xen

This update for xen fixes the following issues: - CVE-2025-58147, CVE-2025-58148: Fixed incorrect input sanitisation in Viridian hypercalls bsc1251271, XSA-475 - CVE-2025-27466, CVE-2025-58142, CVE-2025-58143: Fixed mutiple vulnerabilities in the Viridian interface bsc1248807, XSA-472...

SUSE SLED15: xen / xen-devel / xen-doc-html / xen-libs / xen-libs-32bit / etc (SUSE-SU-2025:3798-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:3798-1 advisory. - CVE-2025-58147, CVE-2025-58148: Fixed incorrect input sanitisation in Viridian hypercalls...

Security update for xen

This update for xen fixes the following issues: CVE-2025-58147, CVE-2025-58148: Fixed incorrect input sanitisation in Viridian hypercalls bsc1251271, XSA-475 CVE-2025-27466, CVE-2025-58142, CVE-2025-58143: Fixed mutiple vulnerabilities in the Viridian interface bsc1248807, XSA-472 Patch...

SUSE-SU-2025:3798-1 Security update for xen

This update for xen fixes the following issues: - CVE-2025-58147, CVE-2025-58148: Fixed incorrect input sanitisation in Viridian hypercalls bsc1251271, XSA-475 - CVE-2025-27466, CVE-2025-58142, CVE-2025-58143: Fixed mutiple vulnerabilities in the Viridian interface bsc1248807, XSA-472...

Security update for xen

This update for xen fixes the following issues: CVE-2025-58147, CVE-2025-58148: Fixed incorrect input sanitisation in Viridian hypercalls bsc1251271, XSA-475 CVE-2025-27466, CVE-2025-58142, CVE-2025-58143: Fixed mutiple vulnerabilities in the Viridian interface bsc1248807, XSA-472 Patch...

SUSE-SU-2025:3797-1 Security update for xen

This update for xen fixes the following issues: - CVE-2025-58147, CVE-2025-58148: Fixed incorrect input sanitisation in Viridian hypercalls bsc1251271, XSA-475 - CVE-2025-27466, CVE-2025-58142, CVE-2025-58143: Fixed mutiple vulnerabilities in the Viridian interface bsc1248807, XSA-472...

Fedora 43 : xen (2025-873ad6df70)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-873ad6df70 advisory. Rebuilt for Python 3.14.0rc3 bytecode ---- Mutiple vulnerabilities in the Viridian interface XSA-472, CVE-2025-27466, CVE-2025-58142, CVE-2025-58143...

Fedora 42 : xen (2025-7a1f93f58a)

The remote Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-7a1f93f58a advisory. Mutiple vulnerabilities in the Viridian interface XSA-472, CVE-2025-27466, CVE-2025-58142, CVE-2025-58143 Arm issues with page refcounting XSA-473,...

SUSE SLED15: xen / xen-devel / xen-libs / xen-tools / xen-tools-domU / etc (SUSE-SU-2025:03172-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:03172-1 advisory. Security issues fixed: - CVE-2025-27466: NULL pointer dereference in the Viridian interface when updating the...

CVE-2025-58142

The Xen hypervisor is vulnerable to a NULL pointer dereference within the Viridian interface (XSA-472). The root cause is an incorrect assumption that the SIM page is mapped when a synthetic timer message needs to be delivered. This issue could potentially lead to a denial of service or other imp...

CVE-2025-58142 Mutiple vulnerabilities in the Viridian interface

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. There are multiple issues related to the handling and accessing of guest memory pages in the viridian code: 1. A NULL pointer dereference in the updating of the reference...

CVE-2025-27466 Mutiple vulnerabilities in the Viridian interface

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. There are multiple issues related to the handling and accessing of guest memory pages in the viridian code: 1. A NULL pointer dereference in the updating of the reference...

CVE-2025-58143

The Xen hypervisor is vulnerable to an information leak and reference counter underflow within the Viridian interface (XSA-472). The root cause is a race condition during the mapping of the reference TSC page , which can allow a guest to cause Xen to free a page while it is still present in the g...

CVE-2025-58143 Mutiple vulnerabilities in the Viridian interface

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. There are multiple issues related to the handling and accessing of guest memory pages in the viridian code: 1. A NULL pointer dereference in the updating of the reference...