SUSE SLES12 Security Update : libvirt (SUSE-SU-2019:1452-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

This update for libvirt fixes the following issues : Four new speculative execution information leak issues have been identified in Intel CPUs. bsc1111331 CVE-2018-12126: Microarchitectural Store Buffer Data Sampling MSBDS CVE-2018-12127: Microarchitectural Fill Buffer Data Sampling MFBDS...

The vulnerability of the data buffer in Intel’s microprogramming software allows a hacker to gain access to confidential information.

The vulnerability of the MSBDS microprogramming system’s data buffer relates to the improper implementation of micro-optimization measures aimed at improving the efficiency of data writing to RAM. Exploiting this vulnerability allows an attacker to gain access to confidential information...

CVE-2018-12126

Microarchitectural Store Buffer Data Sampling MSBDS: Store buffers on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here:...

CVE-2018-12126

CVE-2018-12126 is a microarchitectural side-channel vulnerability affecting Intel CPUs via uncacheable data in store buffers exposed to nearby processes. Public advisories (e.g., ALAS2-2019-1274, Linux kernel debugs in DSA/DLA notices) describe mitigations including microcode updates and OS-level...

Citrix XenServer Microarchitectural Data Sampling Speculative Side-Channel Vulnerabilities (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout) (CTX2251995)

The version of Citrix XenServer running on the remote host is missing a security hotfix. It is, therefore, affected by microarchitectural data sampling speculative side-channel vulnerabilities. These vulnerabilities may allow a local attacker on a guest machine to sample the contents of memory...

SUSE SLES12 Security Update : xen (SUSE-SU-2019:1349-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

This update for xen fixes the following issues : Four new speculative execution information leak issues have been identified in Intel CPUs. bsc1111331 CVE-2018-12126: Microarchitectural Store Buffer Data Sampling MSBDS CVE-2018-12127: Microarchitectural Fill Buffer Data Sampling MFBDS...

SUSE SLED15 / SLES15 Security Update : ucode-intel (SUSE-SU-2019:1313-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

This update for ucode-intel fixes the following issues : The Intel CPU Microcode was updated to the official QSR 2019.1 Microcode release bsc1111331 CVE-2018-12126 CVE-2018-12130 CVE-2018-12127 CVE-2019-11091 ---- new platforms ---------------------------------------- VLV C0 6-37-8/02 00000838 At...

Ubuntu 16.04 LTS / 18.04 LTS : Intel Microcode update (USN-3977-2)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3977-2 advisory. USN-3977-1 provided mitigations for Microarchitectural Data Sampling MDS vulnerabilities in Intel Microcode for a large number of Intel...

openSUSE Security Update : qemu (openSUSE-2019-1420) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

This update for qemu fixes the following issues : - CVE-2018-12126 CVE-2018-12127 CVE-2018-12130 CVE-2019-11091: Added x86 cpu feature 'md-clear' bsc1111331 This update was imported from the SUSE:SLE-12-SP3:Update update project. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptiv...

openSUSE Security Update : the Linux Kernel (openSUSE-2019-1407) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

The openSUSE Leap 42.3 kernel was updated to 4.4.179 to receive various security and bugfixes. Four new speculative execution information leak issues have been identified in Intel CPUs. bsc1111331 - CVE-2018-12126: Microarchitectural Store Buffer Data Sampling MSBDS - CVE-2018-12127:...

Fedora 28 : 2:qemu / libvirt (2019-6e146a714c) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

Define md-clear CPUID bit. Assuming an updated host kernel and microcode, the md-clear bit will be automatically exposed to guests using the QEMU '-cpu host' arg, or libvirt 'host-model' or 'host-passthrough' configurations. Guests using a named CPU model it must be manually updated to add this...

SUSE SLES12 Security Update : kernel (SUSE-SU-2019:1289-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

The SUSE Linux Enterprise 12 SP1 LTSS kernel was updated to receive various security and bugfixes. Four new speculative execution information leak issues have been identified in Intel CPUs. bsc1111331 CVE-2018-12126: Microarchitectural Store Buffer Data Sampling MSBDS CVE-2018-12127:...

SUSE SLES12 Security Update : kernel (SUSE-SU-2019:1287-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

The SUSE Linux Enterprise 12 SP2 kernel was updated to receive various security and bugfixes. Four new speculative execution information leak issues have been identified in Intel CPUs. bsc1111331 CVE-2018-12126: Microarchitectural Store Buffer Data Sampling MSBDS CVE-2018-12127: Microarchitectura...

Fedora 30 : xen (2019-6458474bf2) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

Microarchitectural Data Sampling speculative side channel XSA-297, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091 additional patches so above applies cleanly work around grub2 issues in dom0 Note that Tenable Network Security has extracted the preceding description block directly...

openSUSE Security Update : ucode-intel (openSUSE-2019-1402) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

This update for ucode-intel fixes the following issues : This update contains the Intel QSR 2019.1 Microcode release bsc1111331 Four new speculative execution information leak issues have been identified in Intel CPUs. bsc1111331 - CVE-2018-12126: Microarchitectural Store Buffer Data Sampling MSB...

Debian: Security Advisory (DLA-1789-2)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2019 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

openSUSE Security Update : xen (openSUSE-2019-1403) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

This update for xen fixes the following issues : Four new speculative execution information leak issues have been identified in Intel CPUs. bsc1111331 - CVE-2018-12126: Microarchitectural Store Buffer Data Sampling MSBDS - CVE-2018-12127: Microarchitectural Fill Buffer Data Sampling MFBDS -...

Information Disclosure

MSBDS is vulnerable to information disclosure. Local authenticated attacker could potentially enable information disclosure via a side channel with local access...

Oracle Linux 7 : libvirt (ELSA-2019-1177)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-1177 advisory. - qemu: Don't cache microcode version CVE-2018-12127, CVE-2018-12126, CVE-2018-12130 - cpux86: Do not cache microcode version CVE-2018-12126,...

Scientific Linux Security Update : qemu-kvm on SL6.x i386/x86_64 (20190514) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

Security Fixes : - A flaw was found in the implementation of the 'fill buffer', a mechanism used by modern CPUs when a cache-miss is made on L1 CPU cache. If an attacker can generate a load operation that would create a page fault, the execution will continue speculatively with incorrect data fro...