PT-2022-9731 · Suse · Suse

Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned in the provided descriptions. Description: The issue is related to the failure to flush the Translation Lookaside Buffer TLB of the I/O memory management unit IOMMU, which may allow an IO device ...

CVE-2021-26348

Failure to flush the Translation Lookaside Buffer TLB of the I/O memory management unit IOMMU may lead an IO device to write to memory it should not be able to access, resulting in a potential loss of integrity...

PT-2022-17810 · Suse · Suse

Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned in the provided descriptions. Description: The issue concerns IOMMU: RMRR VT-d and unity map AMD-Vi handling problems. Certain PCI devices in a system might be assigned Reserved Memory Regions fo...

The vulnerability of Xen hypervisors, related to the use of memory after it is freed, allows a attacker to cause a service failure or increase their privileges.

The vulnerability of Xen hypervisors relates to the use of memory after it is freed during the processing of input/output page tables in the IOMMU Input/Output Memory Management Unit memory management unit. Exploiting this vulnerability can allow an attacker to cause service failures or increase...

kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks

A flaw was found in the Linux kernel’s KVM implementation, where improper handing of the VMIO|VMPFNMAP VMAs in KVM bypasses RO checks and leads to pages being freed while still accessible by the VMM and guest. This flaw allows users who can start and control a VM to read/write random pages of...

UBUNTU-CVE-2019-17345

An issue was discovered in Xen 4.8.x through 4.11.x allowing x86 PV guest OS users to cause a denial of service because mishandling of failed IOMMU operations causes a bug check during the cleanup of a crashed guest...

DEBIAN-CVE-2018-19961

An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because TLB flushes do not always occur after IOMMU mapping changes...