openSUSE: Security Advisory for xen (SUSE-SU-2023:4475-1)

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CVE-2023-34327 x86/AMD: Debug Mask handling

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. AMD CPUs since 2014 have extensions to normal x86 debugging functionality. Xen supports guests using these extensions. Unfortunately there are errors in Xen's handling of...

CVE-2023-34327 x86/AMD: Debug Mask handling

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. AMD CPUs since 2014 have extensions to normal x86 debugging functionality. Xen supports guests using these extensions. Unfortunately there are errors in Xen's handling of...

SUSE-SU-2023:4476-1 Security update for xen

This update for xen fixes the following issues: - CVE-2023-20588: AMD CPU transitional execution leak via division by zero XSA-439 bsc1215474. - CVE-2023-34322: top-level shadow reference dropped too early for 64-bit PV guests XSA-438 bsc1215145. - CVE-2023-34325: Multiple vulnerabilities in...

Xen Security Vulnerabilities

Xen is an open source virtual machine monitor product from the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. A security vulnerability exists in Xen that...

SUSE-SU-2023:4054-1 Security update for xen

This update for xen fixes the following issues: - CVE-2023-34323: A transaction conflict can crash C Xenstored XSA-440, bsc1215744 - CVE-2023-34326: Missing IOMMU TLB flushing XSA-442, bsc1215746 - CVE-2023-34325: Multiple vulnerabilities in libfsimage disk handling XSA-443, bsc1215747 -...

Xen: x86/AMD: Debug Mask handling (XSA-444)

AMD CPUs since 2014 have extensions to normal x86 debugging functionality. Xen supports guests using these extensions. Unfortunately there are errors in Xen's handling of the guest state, leading to denials of service. - CVE-2023-34327 - An HVM vCPU can end up operating in the context of a previo...

x86/AMD: Debug Mask handling

ISSUE DESCRIPTION AMD CPUs since 2014 have extensions to normal x86 debugging functionality. Xen supports guests using these extensions. Unfortunately there are errors in Xen's handling of the guest state, leading to denials of service. 1 CVE-2023-34327 - An HVM vCPU can end up operating in the...