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...

Design/Logic Flaw

In FreeBSD before 11.2-STABLEr341486 and 11.2-RELEASE-p6, insufficient bounds checking in one of the device models provided by bhyve can permit a guest operating system to overwrite memory in the bhyve host possibly permitting arbitrary code execution. A guest OS using a firmware image can cause...

CVE-2018-17160

The CVE concerns FreeBSD bhyve: before 11.2-STABLE (r341486) and 11.2-RELEASE-p6, insufficient bounds checking in a bhyve device model can let a guest OS overwrite host memory, potentially enabling arbitrary code execution with root privileges. Affected behavior includes host crashes or code exec...

FreeBSD-SA-18:14.bhyve

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-18:14.bhyve Security Advisory The FreeBSD Project Topic: Insufficient bounds checking in bhyve8 device model Category: core Module: bhyve Announced: 2018-12-04...

Debian DLA-1599-1 : qemu security update

Several vulnerabilities were found in QEMU, a fast processor emulator : CVE-2016-2391 Zuozhi Fzz discovered that eoftimes in USB OHCI emulation support could be used to cause a denial of service, via a NULL pointer dereference. CVE-2016-2392 / CVE-2016-2538 Qinghao Tang found a NULL pointer...

Backup job fails with a SQL VSS Writer error after installing ACT! Software

Article Applicability This article is only applicable to a scenario involving all four of the following: 1. A Backup Job using Application-Aware Processing 2. A Guest OS with ACT! Software Installed 3. This VSS error: Writer's state: VSSWSFAILEDATPREPARESNAPSHOT. Error code: 0x800423f4. 4. This...

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...

SUSE-SU-2018:2410-2 Security update for xen

This update for xen fixes the following security issues: - CVE-2018-3646: Systems with microprocessors utilizing speculative execution and address translations may have allowed unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access with guest OS...

SUSE SLES11 Security Update : xen (SUSE-SU-2018:2528-1) (Foreshadow) (Meltdown) (Spectre)

This update for xen fixes the following issues: These security issue were fixed : - CVE-2018-3646: Systems with microprocessors utilizing speculative execution and address translations may have allowed unauthorized disclosure of information residing in the L1 data cache to an attacker with local...

SUSE-SU-2018:2482-1 Security update for xen

This update for xen fixes the following issues: This security issue was fixed: - CVE-2018-3646: Systems with microprocessors utilizing speculative execution and address translations may have allowed unauthorized disclosure of information residing in the L1 data cache to an attacker with local use...

openSUSE Security Update : xen (openSUSE-2018-910) (Foreshadow)

This update for xen fixes the following security issues : - CVE-2018-3646: Systems with microprocessors utilizing speculative execution and address translations may have allowed unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access with guest O...

SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2018:2401-1) (Foreshadow)

This update for xen fixes the following security issues : - CVE-2018-3646: Systems with microprocessors utilizing speculative execution and address translations may have allowed unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access with guest O...

SUSE-SU-2018:2410-1 Security update for xen

This update for xen fixes the following security issues: - CVE-2018-3646: Systems with microprocessors utilizing speculative execution and address translations may have allowed unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access with guest OS...

CVE-2018-3646

Systems with microprocessors utilizing speculative execution and address translations may allow unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access with guest OS privilege via a terminal page fault and a side-channel analysis...

Information disclosure

Systems with microprocessors utilizing speculative execution and address translations may allow unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access with guest OS privilege via a terminal page fault and a side-channel analysis...

CVE-2018-3646

Systems with microprocessors utilizing speculative execution and address translations may allow unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access with guest OS privilege via a terminal page fault and a side-channel analysis...

CVE-2018-3646

Systems with microprocessors utilizing speculative execution and address translations may allow unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access with guest OS privilege via a terminal page fault and a side-channel analysis...