CVE-2026-62434

CVE-2026-62434 affects Xen-based environments where a guest with Populated on Demand (PoD) enabled can reclaim non-regular guest RAM pages, potentially corrupting the guest memory management state. The issue is described consistently across NVD/NVD-linked entries and corroborated by multiple vend...

EUVD-2026-49787

A guest started with Populated on Demand enabled PoD can attempt to reclaim pages which aren't regular guest RAM. This can cause corruption of memory management state in Xen...

CVE-2026-62434 PoD: Don't try to reclaim special pages

A guest started with Populated on Demand enabled PoD can attempt to reclaim pages which aren't regular guest RAM. This can cause corruption of memory management state in Xen...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013609)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013609 advisory. In the Linux kernel, the following vulnerability has been resolved: x86/xen: Fix memory leak in xeninitlockcpu In xeninitlockcpu, the @name has allocated new string ...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002892)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002892 advisory. The makeresponse function in drivers/block/xen-blkback/blkback.c in the Linux kernel before 4.11.8 allows guest OS users to obtain sensitive information from host OS...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001986)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001986 advisory. Xen allows guest OS users to obtain sensitive information from uninitialized locations in host OS kernel memory by not enabling memory and I/O decoding control bits...

CVE-2022-50761

In the Linux kernel, the following vulnerability has been resolved: x86/xen: Fix memory leak in xeninitlockcpu In xeninitlockcpu, the @name has allocated new string by kasprintf, if bindipitoirqhandler fails, it should be freed, otherwise may lead to a memory leak issue, fix it...

EUVD-2015-7869

Malware in sbrugna...

EUVD-2021-15357

Malware in sbrugna...

UBUNTU-CVE-2025-27466

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...

Linux Distros Unpatched Vulnerability : CVE-2021-28708

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - PoD operations on misaligned GFNs This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE...

Linux Distros Unpatched Vulnerability : CVE-2021-28704

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - PoD operations on misaligned GFNs This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE...

Linux Distros Unpatched Vulnerability : CVE-2021-28703

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - grant table v2 status pages may remain accessible after de-allocation take two Guest get permitted access to certain Xen-owned pages of memory. The majority of...

Linux Distros Unpatched Vulnerability : CVE-2012-5513

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The XENMEMexchange handler in Xen 4.2 and earlier does not properly check the memory address, which allows local PV guest OS administrators to cause a denial of...

Linux Distros Unpatched Vulnerability : CVE-2017-14431

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Memory leak in Xen 3.3 through 4.8.x allows guest OS users to cause a denial of service ARM or x86 AMD host OS memory consumption by continually rebooting,...

SUSE CVE-2012-5513

The XENMEMexchange handler in Xen 4.2 and earlier does not properly check the memory address, which allows local PV guest OS administrators to cause a denial of service crash or possibly gain privileges via unspecified vectors that overwrite memory in the hypervisor reserved range...

SUSE CVE-2014-4021

Xen 3.2.x through 4.4.x does not properly clean memory pages recovered from guests, which allows local guest OS users to obtain sensitive information via unspecified vectors...

SUSE CVE-2015-3340

Xen 4.2.x through 4.5.x does not initialize certain fields, which allows certain remote service domains to obtain sensitive information from memory via a 1 XENDOMCTLgettscinfo or 2 XENSYSCTLgetdomaininfolist request...

SUSE CVE-2015-6654

The xenmemaddtophysmapone function in arch/arm/mm.c in Xen 4.5.x, 4.4.x, and earlier does not limit the number of printk console messages when reporting a failure to retrieve a reference on a foreign page, which allows remote domains to cause a denial of service by leveraging permissions to map t...

SUSE CVE-2015-8338

Xen 4.6.x and earlier does not properly enforce limits on page order inputs for the 1 XENMEMincreasereservation, 2 XENMEMpopulatephysmap, 3 XENMEMexchange, and possibly other HYPERVISORmemoryop suboperations, which allows ARM guest OS administrators to cause a denial of service CPU consumption,...