CVE-2018-19966

An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service host OS crash or possibly gain host OS privileges because of an interpretation conflict for a union data structure associated with shadow paging. NOTE: this issue exists because of an incorre...

CVE-2018-19965

An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service host OS crash because GP0 can occur after a non-canonical address is passed to the TLB flushing code. NOTE: this issue exists because of an incorrect CVE-2017-5754 aka Meltdown mitigation...

CVE-2018-19963

CVE-2018-19963 affects Xen 4.11 and is caused by mishandling of x86 IOREQ server resource accounting for external emulators. It can enable a local HVM guest OS user to crash the host OS or potentially gain host privileges. The connected documents reference Xen advisory XSA-276; no explicit patch/...

CVE-2018-19966

An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service host OS crash or possibly gain host OS privileges because of an interpretation conflict for a union data structure associated with shadow paging. NOTE: this issue exists because of an incorre...

CVE-2018-19963

An issue was discovered in Xen 4.11 allowing HVM guest OS users to cause a denial of service host OS crash or possibly gain host OS privileges because x86 IOREQ server resource accounting for external emulators was mishandled...

CVE-2018-19963

An issue was discovered in Xen 4.11 allowing HVM guest OS users to cause a denial of service host OS crash or possibly gain host OS privileges because x86 IOREQ server resource accounting for external emulators was mishandled...

CVE-2018-19966

The CVE-2019-19578 entries describe a Xen hypervisor vulnerability up through 4.12.x (affecting x86 PV guests) caused by an incorrect fix for CVE-2017-15595 in the handling of linear pagetables. This allows a malicious or buggy PV guest to trigger a denial of service (host crash) and may enable p...

Unpatched VirtualBox Zero-Day Vulnerability and Exploit Released Online

An independent exploit developer and vulnerability researcher has publicly disclosed a zero-day vulnerability in VirtualBox—a popular open source virtualization software developed by Oracle—that could allow a malicious program to escape virtual machine guest OS and execute code on the operating...

CVE-2018-18883

An issue was discovered in Xen 4.9.x through 4.11.x, on Intel x86 platforms, allowing x86 HVM and PVH guests to cause a host OS denial of service NULL pointer dereference or possibly have unspecified other impact because nested VT-x is not properly restricted...

VMware Workstation SVGA Heap-based Buffer Overflow Privilege Escalation Vulnerability

This vulnerability allows local attackers to execute arbitrary code on vulnerable installations of VMware Workstation. An attacker must first obtain the ability to execute low-privileged code on the guest system in order to exploit this vulnerability. The specific flaw exists within the handling ...

VMware Workstation e1000 Buffer Overflow Privilege Escalation Vulnerability

This vulnerability allows local attackers to execute arbitrary code on vulnerable installations of VMware Workstation. An attacker must first obtain the ability to execute low-privileged code on the guest system in order to exploit this vulnerability. The specific flaw exists within the handling ...

CVE-2018-16359

Google gVisor before 2018-08-23, within the seccomp sandbox, permits access to the renameat system call, which allows attackers to rename files on the host OS...

CVE-2018-10981

An issue was discovered in Xen through 4.10.x allowing x86 HVM guest OS users to cause a denial of service host OS infinite loop in situations where a QEMU device model attempts to make invalid transitions between states of a request...

CVE-2018-10981

An issue was discovered in Xen through 4.10.x allowing x86 HVM guest OS users to cause a denial of service host OS infinite loop in situations where a QEMU device model attempts to make invalid transitions between states of a request...

Information disclosure

An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka "Hyper-V Information Disclosure Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows...

Ubuntu 16.04 LTS : Linux (HWE) vulnerabilities (USN-3617-2)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3617-2 advisory. USN-3617-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.10. This update provides the corresponding updates for the Linux Hardware Enablement H...

SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2018:0472-1) (Meltdown) (Spectre)

This update for xen fixes several issues. These security issues were fixed : - CVE-2017-5753, CVE-2017-5715, CVE-2017-5754: Prevent information leaks via side effects of speculative execution, aka 'Spectre' and 'Meltdown' attacks bsc1074562, bsc1068032 - CVE-2017-15595: x86 PV guest OS users were...

Joyent SmartOS SMBIOC_TREE_RELE Use-After-Free Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on vulnerable installations of Joyent SmartOS. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the SMBIOCTREERELE...

Joyent SmartOS SMB_IOC_SVCENUM Heap-based Buffer Overflow Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on vulnerable installations of Joyent SmartOS. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the SMBIOCSVCENUM...

CVE-2017-17563

An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service host OS crash or gain host OS privileges by leveraging an incorrect mask for reference-count overflow checking in shadow mode...