CVE-2020-27670

A flaw was found in Xen in the AMD IOMMU page table updates. This flaw allows a malicious guest to cause a denial of service, host data corruption, or potential privilege escalation. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability...

DEBIAN-CVE-2020-27670

An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a denial of service data corruption, cause a data leak, or possibly gain privileges because an AMD IOMMU page-table entry can be half-updated...

CVE-2020-27670

An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a denial of service data corruption, cause a data leak, or possibly gain privileges because an AMD IOMMU page-table entry can be half-updated...

CVE-2020-27670

An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a denial of service data corruption, cause a data leak, or possibly gain privileges because an AMD IOMMU page-table entry can be half-updated...

CVE-2020-27670

An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a denial of service data corruption, cause a data leak, or possibly gain privileges because an AMD IOMMU page-table entry can be half-updated...

Design/Logic Flaw

An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a denial of service data corruption, cause a data leak, or possibly gain privileges because an AMD IOMMU page-table entry can be half-updated...

CVE-2020-27670

An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a denial of service data corruption, cause a data leak, or possibly gain privileges because an AMD IOMMU page-table entry can be half-updated...

CVE-2020-27670

An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a denial of service data corruption, cause a data leak, or possibly gain privileges because an AMD IOMMU page-table entry can be half-updated...

CVE-2020-27670

An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a denial of service data corruption, cause a data leak, or possibly gain privileges because an AMD IOMMU page-table entry can be half-updated...

PT-2020-16759

Name of the Vulnerable Software and Affected Versions Xen versions through 4.14.x Description An issue allows x86 guest OS users to cause a denial of service, data corruption, or a data leak, and possibly gain privileges. This occurs because an AMD IOMMU page-table entry can be half-updated...

CVE-2020-27670: Insufficient Verification of Data Authenticity

An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a denial of service data corruption, cause a data leak, or possibly gain privileges because an AMD IOMMU page-table entry can be half-updated...

unsafe AMD IOMMU page table updates

ISSUE DESCRIPTION AMD IOMMU page table entries are updated in a step by step manner, without regard to them being potentially in use by the IOMMU. Therefore it was possible that the IOMMU would read and then use a half-updated entry. Furthermore, updates to Device Table entries lacked suitable...

CVE-2020-12933

A denial of service vulnerability exists in the D3DKMTEscape handler functionality of AMD ATIKMDAG.SYS e.g. version 26.20.15029.27017. A specially crafted D3DKMTEscape API request can cause an out-of-bounds read in Windows OS kernel memory area. This vulnerability can be triggered from a...

CVE-2020-12911

A denial of service vulnerability exists in the D3DKMTCreateAllocation handler functionality of AMD ATIKMDAG.SYS e.g. version 26.20.15029.27017. A specially crafted D3DKMTCreateAllocation API request can cause an out-of-bounds read and denial of service BSOD. This vulnerability can be triggered...

CVE-2020-12911

A denial of service vulnerability exists in the D3DKMTCreateAllocation handler functionality of AMD ATIKMDAG.SYS e.g. version 26.20.15029.27017. A specially crafted D3DKMTCreateAllocation API request can cause an out-of-bounds read and denial of service BSOD. This vulnerability can be triggered...

CVE-2020-12928

A vulnerability in a dynamically loaded AMD driver in AMD Ryzen Master V15 may allow any authenticated user to escalate privileges to NT authority system...

Design/Logic Flaw

A vulnerability in a dynamically loaded AMD driver in AMD Ryzen Master V15 may allow any authenticated user to escalate privileges to NT authority system...

Out-of-bounds

A denial of service vulnerability exists in the D3DKMTEscape handler functionality of AMD ATIKMDAG.SYS e.g. version 26.20.15029.27017. A specially crafted D3DKMTEscape API request can cause an out-of-bounds read in Windows OS kernel memory area. This vulnerability can be triggered from a...

Out-of-bounds

A denial of service vulnerability exists in the D3DKMTCreateAllocation handler functionality of AMD ATIKMDAG.SYS e.g. version 26.20.15029.27017. A specially crafted D3DKMTCreateAllocation API request can cause an out-of-bounds read and denial of service BSOD. This vulnerability can be triggered...

CVE-2020-12911

CVE-2020-12911 affects AMD ATIKMDAG.SYS D3DKMTCreateAllocation; a malformed D3DKMTCreateAllocation request can trigger an out-of-bounds read leading to a denial of service (BSOD). Vulnerable in AMD driver version 26.20.15029.27017; exploitation possible from non-privilege level. Talos confirms af...