Astra Linux – Vulnerability in Qemu

A flaw was discovered in the QEMU implementation of VMWare’s paravirtual RDMA device. The issue arises when handling the “PVRDMACMDCREATEMR” command due to improper memory remapping mremap. This flaw allows a malicious guest to crash the QEMU process on the host. The greatest threat posed by this...

XenServer Security Update for Multiple Issues

Severity: High Description of Problem Several issues have been identified that affect XenServer 8.4. These are: An issue that may, in some circumstances, allow a malicious privileged user in a guest VM to compromise the host. This issue has the following identifier: CVE-2026-23558 An issue that m...

CVE-2025-48508

Improper Hardware reset flow logic in the GPU GFX Hardware IP block could allow a privileged attacker in a guest virtual machine to control reset operation potentially causing host or GPU crash or reset resulting in denial of service...

SUSE SLED15: qemu / qemu-SLOF / qemu-accel-qtest / qemu-accel-tcg-x86 / qemu-arm / etc (SUSE-SU-2026:0288-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0288-1 advisory. Security issues fixed: - CVE-2025-12464: stack-based buffer overflow in the e1000 network device operations ca...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002451)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002451 advisory. The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service host OS panic or hang by...

Security update for qemu

This update for qemu fixes the following issues: Security issues fixed: CVE-2023-1544: out-of-bounds read in VMWare's paravirtual RDMA device operations can be exploited through a malicious guest driver to crash the QEMU process on the host bsc1209554. CVE-2024-6505: heap-based buffer overflow in...

EUVD-2015-2846

Malware in sbrugna...

EUVD-2014-7065

Malware in sbrugna...

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-2022-49196

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - powerpc/pseries: Fix use after free in removephbdynamic In removephbdynamic we use &phb-ioresource, after we've called deviceunregister&hostbridge-dev. But the...

Linux Distros Unpatched Vulnerability : CVE-2023-52898

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xhci: Fix null pointer dereference when host dies Make sure xhcifreedev and xhcikillendpointurbs do not race and cause null pointer dereference when host sudden...

QEMU: hcd-ehci: DMA reentrancy issue leads to use-after-free

A DMA reentrancy issue was found in the USB EHCI controller emulation of QEMU. EHCI does not verify if the Buffer Pointer overlaps with its MMIO region when it transfers the USB packets. Crafted content may be written to the controller's registers and trigger undesirable actions such as reset whi...

SUSE CVE-2021-4158

A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition...

SUSE CVE-2021-27379

An issue was discovered in Xen through 4.11.x, allowing x86 Intel HVM guest OS users to achieve unintended read/write DMA access, and possibly cause a denial of service host OS crash or gain privileges. This occurs because a backport missed a flush, and thus IOMMU updates were not always correct...

Vulnerabilities fixed in Citrix Hypervisor

Several security issues have been fixed in Citrix Hypervisor, which may cause the host to crash or become un responsive. Citrix has released updates to fix the vulnerabilities. More information can be found on the page below: https://support.citrix.com/article/CTX335432...

ALPINE-CVE-2021-28708

PoD operations on misaligned GFNs This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. x86 HVM and PVH guests may be started in populate-on-demand PoD mode, to provide a way for them to later easily have more memory assigne...

UBUNTU-CVE-2021-28707

PoD operations on misaligned GFNs This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. x86 HVM and PVH guests may be started in populate-on-demand PoD mode, to provide a way for them to later easily have more memory assigne...

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. The...

QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu()

A heap buffer overflow issue was found in the SLiRP networking implementation of the QEMU emulator. This flaw occurs in the tcpemu routine while emulating IRC and other protocols. An attacker could use this flaw to crash the QEMU process on the host, resulting in a denial of service or potential...