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

CVE-2025-58142 is described as a NULL pointer dereference in Xen’s viridian interface related to delivering a synthetic timer message, where code assumes the SIM page is mapped. The initial description notes this as one of several guest memory page handling issues, but the connected documents do ...

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-2025-27466 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-2025-58142 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-2025-58143

CVE-2025-58143 is part of multiple viridian-related issues in Xen. The available details describe a race condition in the mapping of the reference TSC page: a guest can trigger Xen to free a page that still remains in the guest physical to machine (p2m) page tables. This is categorized under a se...