CVE-2019-17343

An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges by leveraging incorrect use of the HVM physmap concept for PV domains...

CVE-2019-17343: Improper Locking

An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges by leveraging incorrect use of the HVM physmap concept for PV domains...

PT-2019-5141

Name of the Vulnerable Software and Affected Versions Xen versions through 4.11.x Description The issue is related to the physmap concept of hardware virtualization in the Xen hypervisor, which lacks proper input validation. This allows an attacker to gain unauthorized access to sensitive data,...

Linux Kernel 4.1.3 (Ubuntu 17.10) waitid() SMEP/SMAP Privilege Escalation

// Proof of concept exploit for waitid bug introduced in Linux Kernel 4.13 // By Chris Salls twitter.com/chrissalls // This exploit can be used to break out out of sandboxes such as that in google chrome // In this proof of concept we install the seccomp filter from chrome as well as a chroot, //...

Linux Kernel 4.13 (Ubuntu 17.10) - 'waitid()' SMEP/SMAP/Chrome Sandbox Privilege Escalation

// Proof of concept exploit for waitid bug introduced in Linux Kernel 4.13 // By Chris Salls twitter.com/chrissalls // This exploit can be used to break out out of sandboxes such as that in google chrome // In this proof of concept we install the seccomp filter from chrome as well as a chroot, //...

Xen Denial of Service Vulnerability (CNVD-2017-32873)

Xen is an open source virtual machine monitor product developed at 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 X...

CVE-2017-15596

An issue was discovered in Xen 4.4.x through 4.9.x allowing ARM guest OS users to cause a denial of service prevent physical CPU usage because of lock mishandling upon detection of an add-to-physmap error...

Design/Logic Flaw

An issue was discovered in Xen 4.4.x through 4.9.x allowing ARM guest OS users to cause a denial of service prevent physical CPU usage because of lock mishandling upon detection of an add-to-physmap error...

DEBIAN-CVE-2017-15596

An issue was discovered in Xen 4.4.x through 4.9.x allowing ARM guest OS users to cause a denial of service prevent physical CPU usage because of lock mishandling upon detection of an add-to-physmap error...

UBUNTU-CVE-2017-15596

An issue was discovered in Xen 4.4.x through 4.9.x allowing ARM guest OS users to cause a denial of service prevent physical CPU usage because of lock mishandling upon detection of an add-to-physmap error...

ALPINE-CVE-2017-15596

An issue was discovered in Xen 4.4.x through 4.9.x allowing ARM guest OS users to cause a denial of service prevent physical CPU usage because of lock mishandling upon detection of an add-to-physmap error...

CVE-2017-15596

An issue was discovered in Xen 4.4.x through 4.9.x allowing ARM guest OS users to cause a denial of service prevent physical CPU usage because of lock mishandling upon detection of an add-to-physmap error...

CVE-2017-15596

An issue was discovered in Xen 4.4.x through 4.9.x allowing ARM guest OS users to cause a denial of service prevent physical CPU usage because of lock mishandling upon detection of an add-to-physmap error...

CVE-2017-15596: Uncontrolled Resource Consumption

An issue was discovered in Xen 4.4.x through 4.9.x allowing ARM guest OS users to cause a denial of service prevent physical CPU usage because of lock mishandling upon detection of an add-to-physmap error...

PT-2017-14122

Name of the Vulnerable Software and Affected Versions Xen versions 4.4.x through 4.9.x Description An issue allows ARM guest OS users to cause a denial of service, preventing physical CPU usage, due to lock mishandling when an add-to-physmap error is detected. Recommendations For Xen versions 4.4...

Fedora 26 : xen (2017-b8fa8e1a13)

full fix for XSA-226, replacing workaround drop conflict of xendomain and libvirtd as can cause problems 1398590 add-to-physmap error paths fail to release lock on ARM XSA-235 1484476 Qemu: audio: host memory leakage via capture buffer CVE-2017-8309 1446521 Qemu: input: host memory leakage via...

add-to-physmap error paths fail to release lock on ARM

ISSUE DESCRIPTION When dealing with the grant map space of add-to-physmap operations, ARM specific code recognizes a number of error conditions, but fails to release a lock being held on the respective exit paths. IMPACT A malicious guest administrator can cause a denial of service. Specifically,...

PT-2015-7307

Name of the Vulnerable Software and Affected Versions Xen versions 4.5.x, 4.4.x, and earlier Description The issue is related to the xenmem add to physmap one function in arch/arm/mm.c, which does not limit the number of printk console messages when reporting a failure to retrieve a reference on ...

PT-2012-6000

Name of the Vulnerable Software and Affected Versions Xen versions prior to 4.2 Description The issue allows local guest administrators to cause a denial of service, resulting in a long loop and hang, by utilizing crafted extent order values in specific hypercalls. The affected hypercalls include...

PT-2012-5999

Name of the Vulnerable Software and Affected Versions Xen versions 4.2 and earlier Description The issue is related to the guest physmap mark populate on demand function, which does not properly unlock the subject GFNs when checking if they are in use. This allows local guest HVM administrators t...