Marriott: Data on 500 Million Guests Stolen in 4-Year Breach

Hospitality giant Marriott today disclosed a massive data breach exposing the personal and financial information on as many as a half billion customers who made reservations at any of its Starwood properties over the past four years. Marriott said the breach involved unauthorized access to a...

openSUSE Security Update : virtualbox (openSUSE-2018-1443)

This update for virtualbox fixes the following issues : virtualbox was updated to version 5.2.22 released November 09 2018 by Oracle. Security issues fixed : - Fixed a guest-to-host excape via the e1000 virtual network driver bsc1115041. Non-security issues fixed : - Audio: Fixed a regression in...

Virtuozzo 6 : spice-server / spice-server-devel (VZLSA-2018-3522)

An update for spice-server is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability...

EulerOS Virtualization 2.5.2 : kernel (EulerOS-SA-2018-1372)

According to the version of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerability : - It was found that paravirtpatchcall/jump functions in the arch/x86/kernel/paravirt.c in the Linux kernel mishandles certain indirect...

spice security update

CentOS Errata and Security Advisory CESA-2018:3522 An update for spice-server is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed...

x86: DoS from attempting to use INVPCID with a non-canonical addresses

ISSUE DESCRIPTION The INVPCID instruction raises GP0 if an attempt is made to invalidate a non-canonical address. Older flushing mechanisms such as INVLPG tolerate this without error, and perform no action. There is one guest accessible path in Xen where a non-canonical address was passed into th...

resource accounting issues in x86 IOREQ server handling

ISSUE DESCRIPTION Allocation of pages used to communicate with external emulators did not follow certain principles that are required for proper life cycle management of guest exposed pages. IMPACT A compromised DM stubdomain may cause Xen to crash, resulting in a DoS Denial of Service affecting...

Fix for XSA-240 conflicts with shadow paging

ISSUE DESCRIPTION The fix for XSA-240 introduced a new field into the control structure associated with each page of RAM. This field was added to a union, another member of which is used when Xen uses shadow paging for the guest. During migration, or with the L1TF XSA-273 mitigation for PV guests...

Debian DSA-4338-1 : qemu - security update

Integer overflows in the processing of packets in network cards emulated by QEMU, a fast processor emulator, could result in denial of service. In addition this update backports support to passthrough the new CPU features added in the intel-microcode update shipped in DSA 4273 to x86-based guests...

F5 Networks BIG-IP : vCMP vulnerability (K03165684)

Malicious root users with access to a vCMP guest can disrupt service on adjacent vCMP guests running on the same host. Exploiting this vulnerability causes the vcmpd process on the adjacent vCMP guest to restart and produce a core file. This issue is only exploitable on a vCMP guest which is...

UBUNTU-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...

DEBIAN-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...

x86: Nested VT-x usable even when disabled

ISSUE DESCRIPTION When running HVM guests, virtual extensions are enabled in hardware because Xen is using them. As a result, a guest can blindly execute the virtualisation instructions, and will exit to Xen for processing. In the case that the guest hasn't followed the correct virtual...

SUSE-SU-2018:3332-1 Security update for xen

This update for xen fixes the following issues: - CVE-2018-17963: qemudeliverpacketiov accepted packet sizes greater than INTMAX, which allows attackers to cause a denial of service or possibly have unspecified other impact. bsc1111014 - CVE-2018-15468: The DEBUGCTL MSR contains several debugging...

SUSE SLES12 Security Update : libvirt (SUSE-SU-2018:2631-2) (Spectre)

This update for libvirt fixes the following issues : This new feature was added : bsc1094325, bsc1094725: libxl: Enable virsh blockresize for XEN guests This security issue was fixed: CVE-2017-5715: Additional fixes for the Spectre patches bsc1079869 The update package also includes non-security...

Debian DLA-1531-1 : linux-4.9 security update

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. CVE-2018-6554 A memory leak in the irdabind function in the irda subsystem was discovered. A local user can take advantage of this flaw to cause a deni...

[SECURITY] [DLA 1531-1] linux-4.9 security update

Package : linux-4.9 Version : 4.9.110-3+deb9u5deb8u1 CVE ID : CVE-2018-6554 CVE-2018-6555 CVE-2018-7755 CVE-2018-9363 CVE-2018-9516 CVE-2018-10902 CVE-2018-10938 CVE-2018-13099 CVE-2018-14609 CVE-2018-14617 CVE-2018-14633 CVE-2018-14678 CVE-2018-14734 CVE-2018-15572 CVE-2018-15594 CVE-2018-16276...

SUSE SLES12 Security Update : libvirt (SUSE-SU-2018:2631-1) (Spectre)

This update for libvirt fixes the following issues : This new feature was added : bsc1094325, bsc1094725: libxl: Enable virsh blockresize for XEN guests This security issue was fixed: CVE-2017-5715: Additional fixes for the Spectre patches bsc1079869 The update package also includes non-security...

SUSE-SU-2018:2631-1 Security update for libvirt

This update for libvirt fixes the following issues: This new feature was added: - bsc1094325, bsc1094725: libxl: Enable virsh blockresize for XEN guests This security issue was fixed: - CVE-2017-5715: Additional fixes for the Spectre patches bsc1079869 These non-security issues were fixed: -...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2018-4208)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2018-4208 advisory. - Cipso: cipsov4optptr enter infinite loop yujuan.qi Orabug: 28563992 CVE-2018-10938 - x86/paravirt: Fix spectre-v2 mitigations for paravirt guests...