CVE-2026-102703

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. A common access pattern is a batch of Grant Copy operations acting on adjacent address ranges in the same source or destination page. For performance reasons, Xen caches...

CVE-2026-102704 arbitrary read/write via grant copy

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. A common access pattern is a batch of Grant Copy operations acting on adjacent address ranges in the same source or destination page. For performance reasons, Xen caches...

CVE-2026-102704

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. A common access pattern is a batch of Grant Copy operations acting on adjacent address ranges in the same source or destination page. For performance reasons, Xen caches...

CVE-2026-102704

The Xen hypervisor contains a vulnerability where a malicious guest VM can read and write the memory of other VMs, including dom0 . The root cause lies in the grant copy operation; for performance, Xen caches validated data, but a misplaced check incorrectly allowed copying by frame number outsid...

EUVD-2026-116864

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. A common access pattern is a batch of Grant Copy operations acting on adjacent address ranges in the same source or destination page. For performance reasons, Xen caches...

CVE-2026-102703

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. A common access pattern is a batch of Grant Copy operations acting on adjacent address ranges in the same source or destination page. For performance reasons, Xen caches...

CVE-2026-102703 arbitrary read/write via grant copy

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. A common access pattern is a batch of Grant Copy operations acting on adjacent address ranges in the same source or destination page. For performance reasons, Xen caches...

CVE-2026-102703

A flaw exists in the Xen hypervisor involving Grant Copy operations used for memory sharing between virtual machines. Due to performance optimizations, Xen caches internal validation data; however, it fails to properly re-validate this data when frame numbers and grant references are intermixed. ...

EUVD-2026-116863

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. A common access pattern is a batch of Grant Copy operations acting on adjacent address ranges in the same source or destination page. For performance reasons, Xen caches...

CVE-2026-102704: Xen: [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to…

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. A common access pattern is a batch of Grant Copy operations acting on adjacent address ranges in the same source or destination page. For performance reasons, Xen caches...

PT-2026-136925

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. A common access pattern is a batch of Grant Copy operations acting on adjacent address ranges in the same source or destination page. For performance reasons, Xen caches...

CVE-2026-102703: Xen: [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to…

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. A common access pattern is a batch of Grant Copy operations acting on adjacent address ranges in the same source or destination page. For performance reasons, Xen caches...

arbitrary read/write via grant copy

ISSUE DESCRIPTION A common access pattern is a batch of Grant Copy operations acting on adjacent address ranges in the same source or destination page. For performance reasons, Xen caches details internally to reuse already validated data. The conditions on when to re-validate the internal data...

Security update for xen

This update for xen fixes the following issues CVE-2026-42493: x86 shadow paging is deprecated bsc1271528. CVE-2026-42494,CVE-2026-42495,CVE-2026-62423,CVE-2026-62424,CVE-2026-62425: buffer overruns in libfsimage iso9660 handling bsc1271530. CVE-2026-62426,CVE-2026-62427: sysctl and platform-op...

SUSE-SU-2026:3451-1 Security update for xen

This update for xen fixes the following issues - CVE-2026-42493: x86 shadow paging is deprecated bsc1271528. - CVE-2026-42494,CVE-2026-42495,CVE-2026-62423,CVE-2026-62424,CVE-2026-62425: buffer overruns in libfsimage iso9660 handling bsc1271530. - CVE-2026-62426,CVE-2026-62427: sysctl and...

SUSE CVE-2026-62428

When grant-copy operations are processed, the respective grant may or may not already be in use by another operation a mapping or another copy. For all copy operations the referenced guest frame is looked up. When another operation is already active for the grant the grant is "pinned", what is...

SUSE-SU-2026:3409-1 Security update for xen

This update for xen fixes the following issues - CVE-2026-42493: x86 shadow paging is deprecated bsc1271528. - CVE-2026-42494,CVE-2026-42495,CVE-2026-62423,CVE-2026-62424,CVE-2026-62425: buffer overruns in libfsimage iso9660 handling bsc1271530. - CVE-2026-62426,CVE-2026-62427: sysctl and...

Linux Distros Unpatched Vulnerability : CVE-2026-62428

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - When grant-copy operations are processed, the respective grant may or may not already be in use by another operation a mapping or another copy. For all copy...

CVE-2026-62428

A flaw was found in Xen. When processing grant-copy operations, a type confusion vulnerability can occur if the grant is already in use by another operation. This can lead to permission checks being performed on an incorrect memory page, potentially allowing an attacker to bypass security...

CVE-2026-62428

When grant-copy operations are processed, the respective grant may or may not already be in use by another operation a mapping or another copy. For all copy operations the referenced guest frame is looked up. When another operation is already active for the grant the grant is "pinned", what is...