New Spectre-Level Flaw Targets Return Stack Buffer

Researchers have discovered yet another speculative execution side-channel flaw enabling attackers to access sensitive data at the CPU level. The new Spectre-class exploit, dubbed SpectreRSB, was detailed by researchers from the University of California at Riverside in a research paper on Friday...

USN-3690-1: AMD Microcode update | Cloud Foundry

Severity High Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 14.04 Description Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker...

USN-3690-2: AMD Microcode regression | Cloud Foundry

Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 14.04 Description USN-3690-1 provided updated microcode for AMD processors to address CVE-2017-5715 aka Spectre. Unfortunately, the update caused some systems to fail to boot. This update reverts the update for Ubuntu 14.04 LTS. We...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 7.2 Advanced Update Support, Red Hat Enterprise Linux 7.2 Telco Extended Update Support, and Red Hat Enterprise Linux 7.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impac...

CentOS 6 : kernel (CESA-2018:2164) (Spectre)

An update for kernel 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 from th...

Important kernel security update: CVE-2018-3639 (x86 AMD) and other issues; new kernel 2.6.32-042stab132.1 for Virtuozzo Containers for Linux 4.7, Server Bare Metal 5.0

This update provides a new kernel 2.6.32-042stab132.1 for Virtuozzo Containers for Linux 4.7 and Server Bare Metal 5.0 that is a rebase to the Red Hat Enterprise Linux 6.10 kernel 2.6.32-754.2.1.el6. The new kernel introduces security fixes. Vulnerability id: CVE-2018-3639 x86 AMD An industry-wid...

kernel, perf, python security update

CentOS Errata and Security Advisory CESA-2018:2164 An update for kernel 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...

openssl: bn_sqrx8x_internal carry bug on x86_64

There is a carry propagating bug in the x8664 Montgomery squaring procedure in OpenSSL before 1.0.2m and 1.1.0 before 1.1.0g. No EC algorithms are affected. Analysis suggests that attacks against RSA and DSA as a result of this defect would be very difficult to perform and are not believed likely...

July 10, 2018—KB4338820 (Security-only update)

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July 10, 2018—KB4338824 (Security-only update)

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July 10, 2018—KB4338815 (Monthly Rollup)

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kernel security and bug fix update

2.6.32-754.2.1.OL6 - Update genkey bug 25599697 2.6.32-754.2.1 - x86 entry/64: Don't use IST entry for BP stack Waiman Long 1596113 CVE-2018-10872 - fs gfs2: Flush delayed work earlier in gfs2inodelookup Andreas Grunbacher 1506281 - mm mempolicy: fix use after free when calling getmempolicy Augus...

Fedora 27 : 2:qemu (2018-9f02e5ed7b) (Spectre)

Add new CPU features for CVE-2017-5715 and CVE-2018-3639 On Intel x86 hosts, the 'ssbd' feature must be explicitly added to any virtual machines that are not using host-passthrough/host-model CPU setup. NB this requires new microcode too, which is not yet available in Fedora microcodectl RPMs. On...

Ubuntu 14.04 LTS : AMD Microcode regression (USN-3690-2)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-3690-2 advisory. USN-3690-1 provided updated microcode for AMD processors to address CVE-2017-5715 aka Spectre. Unfortunately, the update caused some systems to fail to boot. This...

USN-3690-2: AMD Microcode regression

USN-3690-1 provided updated microcode for AMD processors to address CVE-2017-5715 aka Spectre. Unfortunately, the update caused some systems to fail to boot. This update reverts the update for Ubuntu 14.04 LTS. We apologize for the inconvenience. Original advisory details: Jann Horn discovered th...

CentOS 7 : qemu-kvm (CESA-2018:2001) (Spectre)

An update for qemu-kvm is now available for Red Hat Enterprise Linux 7. 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 from...

CentOS 7 : libvirt (CESA-2018:1997) (Spectre)

An update for libvirt is now available for Red Hat Enterprise Linux 7. 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 from t...

CentOS Update for qemu-img CESA-2018:2001 centos7

Check the version of qemu-img SPDX-FileCopyrightText: 2018 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 scriptoid"1.3.6.1.4.1.25623.1.0.882914";...

CentOS Update for libvirt CESA-2018:1997 centos7

Check the version of libvirt SPDX-FileCopyrightText: 2018 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 scriptoid"1.3.6.1.4.1.25623.1.0.882917";...

CentOS Update for kernel CESA-2018:1965 centos7

Check the version of kernel SPDX-FileCopyrightText: 2018 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 scriptoid"1.3.6.1.4.1.25623.1.0.882915";...