CVE-2025-29939

Improper access control in secure encrypted virtualization SEV could allow a privileged attacker to write to the reverse map page RMP during secure nested paging SNP initialization, potentially resulting in a loss of guest memory confidentiality and integrity...

CVE-2025-29948

CVE-2025-29948 affects AMD Secure Encrypted Virtualization (SEV) firmware. The issue is improper access control that could allow a malicious hypervisor to bypass RMP protections, potentially compromising SEV-SNP guest memory integrity. Affected software is SEV firmware; the root cause is access-c...

PT-2026-7446

Improper access control in secure encrypted virtualization SEV could allow a privileged attacker to write to the reverse map page RMP during secure nested paging SNP initialization, potentially resulting in a loss of guest memory confidentiality and integrity...

CVE-2025-29939: Improper Access Control

Improper access control in secure encrypted virtualization SEV could allow a privileged attacker to write to the reverse map page RMP during secure nested paging SNP initialization, potentially resulting in a loss of guest memory confidentiality and integrity...

AMD EPYC™ and AMD EPYC™ Embedded Series Processor Vulnerabilities – February 2026

CVE Details Refer to Glossary for explanation of terms CVE| CVE Description| CVSS Score| CVSS Vector ---|---|---|--- CVE-2025-52533| Improper access control in an on-chip debug interface could allow a privileged attacker to enable a debug interface and potentially compromise data confidentiality ...

SUSE-SU-2026:0394-1 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...

Fedora 43 : xen (2026-844012d662)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-844012d662 advisory. x86: buffer overrun with shadow paging + tracing XSA-477, CVE-2025-58150 x86: incomplete IBPB for vCPU isolation XSA-479, CVE-2026-23553 Tenable has...

MGASA-2026-0026 Updated xen packages fix security vulnerabilities

x86: buffer overrun with shadow paging + tracing. CVE-2025-58150 x86: incomplete IBPB for vCPU isolation. CVE-2026-23553...

Updated xen packages fix security vulnerabilities

x86: buffer overrun with shadow paging + tracing. CVE-2025-58150 x86: incomplete IBPB for vCPU isolation. CVE-2026-23553...

SUSE SLES12: xen / xen-devel / xen-doc-html / xen-libs / xen-libs-32bit / etc (SUSE-SU-2026:0328-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0328-1 advisory. Security fixes: - CVE-2025-58150: Fixed buffer overrun with shadow paging and tracing XSA-477 bsc1256745 - CVE-2026-23553: Fixed incomplete IBP...

SUSE SLED15: xen / xen-devel / xen-libs / xen-tools / xen-tools-domU / etc (SUSE-SU-2026:0329-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0329-1 advisory. - CVE-2025-58150: Fixed buffer overrun with shadow paging and tracing XSA-477 bsc1256745 - CVE-2026-23553: Fix...

openSUSE Security Advisory (SUSE-SU-2026:0306-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

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...

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...

SUSE-SU-2026:0329-1 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...

SUSE-SU-2026:0328-1 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...

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...

CVE-2025-58150 x86: buffer overrun with shadow paging + tracing

Shadow mode tracing code uses a set of per-CPU variables to avoid cumbersome parameter passing. Some of these variables are written to with guest controlled data, of guest controllable size. That size can be larger than the variable, and bounding of the writes was missing...

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...

CVE-2025-58150

Shadow mode tracing code uses a set of per-CPU variables to avoid cumbersome parameter passing. Some of these variables are written to with guest controlled data, of guest controllable size. That size can be larger than the variable, and bounding of the writes was missing...