UBUNTU-CVE-2022-23037

Linux PV device frontends vulnerable to attacks by backends This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Several Linux PV device frontends are using the grant table interfaces for removing access rights of the...

UBUNTU-CVE-2022-23041

Linux PV device frontends vulnerable to attacks by backends This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Several Linux PV device frontends are using the grant table interfaces for removing access rights of the...

DEBIAN-CVE-2017-12137

arch/x86/mm.c in Xen allows local PV guest OS users to gain host OS privileges via vectors related to mapgrantref...

ALPINE-CVE-2017-12137

arch/x86/mm.c in Xen allows local PV guest OS users to gain host OS privileges via vectors related to mapgrantref...

Xen GNTTABOP_swap_grant_ref() Version Check Denial of Service Vulnerability

Xen is a virtualization technology for the Linux kernel that allows multiple operating systems to run simultaneously. A security vulnerability in Xen GNTTABOPswapgrantref allows local users to exploit the vulnerability by triggering a null pointer reference that crashes the target HOST, due to a...

DEBIAN-CVE-2013-4375

The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service domain grant reference consumption via unspecified vectors...

CVE-2013-4375

The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service domain grant reference consumption via unspecified vectors...

Design/Logic Flaw

The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service domain grant reference consumption via unspecified vectors...

CVE-2013-4375

CVE-2013-4375 affects the qdisk PV disk backend in qemu-xen used by Xen 4.2.x and 4.3.x before 4.3.1, and in qemu 1.1 and other versions. The vulnerability allows a local HVM guest to cause a denial of service via domain grant reference consumption through unspecified vectors. The issue is tied t...

CVE-2013-4375

The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service domain grant reference consumption via unspecified vectors...

CVE-2013-4375

The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service domain grant reference consumption via unspecified vectors...

DEBIAN-CVE-2013-1964

Xen 4.0.x and 4.1.x incorrectly releases a grant reference when releasing a non-v1, non-transitive grant, which allows local guest administrators to cause a denial of service host crash, obtain sensitive information, or possibly have other impacts via unspecified vectors...

CVE-2013-1964

Xen 4.0.x and 4.1.x incorrectly releases a grant reference when releasing a non-v1, non-transitive grant, which allows local guest administrators to cause a denial of service host crash, obtain sensitive information, or possibly have other impacts via unspecified vectors...

Information disclosure

Xen 4.0.x and 4.1.x incorrectly releases a grant reference when releasing a non-v1, non-transitive grant, which allows local guest administrators to cause a denial of service host crash, obtain sensitive information, or possibly have other impacts via unspecified vectors...

CVE-2013-1964

Xen CVE-2013-1964: In Xen 4.0.x and 4.1.x, releasing a non-v1, non-transitive grant incorrectly releases a grant reference. This can allow local guest administrators to cause a host crash (DoS), potentially obtain sensitive information, and may have other unspecified impacts via vectors. Fixes ar...

CVE-2012-3516

The GNTTABOPswapgrantref sub-operation in the grant table hypercall in Xen 4.2 and Citrix XenServer 6.0.2 allows local guest kernels or administrators to cause a denial of service host crash and possibly gain privileges via a crafted grant reference that triggers a write to an arbitrary hyperviso...

Memory corruption

The GNTTABOPswapgrantref sub-operation in the grant table hypercall in Xen 4.2 and Citrix XenServer 6.0.2 allows local guest kernels or administrators to cause a denial of service host crash and possibly gain privileges via a crafted grant reference that triggers a write to an arbitrary hyperviso...

grant table entry swaps have inadequate bounds checking

ISSUE DESCRIPTION The grant table hypercall's GNTTABOPswapgrantref sub-operation does not perform adequate checks on the input grant references. IMPACT A malicious guest kernel or administrator can crash the host. It may be possible for an attacker to swap a valid grant reference, which they...