Multiple speculative security issues

ISSUE DESCRIPTION Note: Multiple issues are contained in this XSA due to their interactions. 1 Researchers at VU Amsterdam have discovered Spectre-BHB, pertaining to the use of Branch History between privilege levels. ARM have assigned CVE-2022-23960. Intel have assigned CVE-2022-0001 Branch...

Unbreakable Enterprise kernel-container security update

5.4.17-2136.304.4.4 - arm64: Use the clearbhb instruction in mitigations James Morse Orabug: 33921646 - arm64: add IDAA64ISAR2EL1 sys register Joey Gouly Orabug: 33921646 - KVM: arm64: Allow SMCCCARCHWORKAROUND3 to be discovered and migrated James Morse Orabug: 33921646 - arm64: Mitigate spectre...

Unbreakable Enterprise kernel security update

4.14.35-2047.511.5.4 - x86/speculation: Add knob for eibrsretpolineenabled Patrick Colp Orabug: 33922122 CVE-2021-26341 - x86/speculation: Extend our code to properly support eibrs+lfence and eibrs+retpoline Patrick Colp Orabug: 33922122 CVE-2021-26341 - x86/speculation: Update link to AMD...

Important: kernel

Issue Overview: AMD recommends using a software mitigation for this issue, which the kernel is enabling by default. The Linux kernel will use the generic retpoline software mitigation, instead of the specialized AMD one, on AMD instances 5a. This is done by default, and no administrator action is...

LFENCE/JMP Mitigation Update for CVE-2017-5715

Bulletin ID: AMD-SB-1036 Potential Impact: Loss of Confidentiality Severity: Medium Summary AMD is providing an update for one recommended mitigation for CVE-2017-5715 previously known as Spectre Variant 2. The speculative execution window of AMD LFENCE/JMP mitigation MITIGATION V2-2 may be large...

SUSE: Security Advisory (SUSE-SU-2018:1482-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

SUSE: Security Advisory (SUSE-SU-2018:1376-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

Scientific Linux Security Update : kernel on SL6.x i386/x86_64 (20190813)

Security Fixes : - Kernel: page cache side channel attacks CVE-2019-5489 - kernel: Salsa20 encryption algorithm does not correctly handle zero-length inputs allowing local attackers to cause denial-of-service CVE-2017-17805 - kernel: Unprivileged users able to inspect kernel stacks of arbitrary...

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

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...

Whonix v15 - Anonymous Operating System

Whonix is an operating system focused on anonymity, privacy and security. It’s based on the Tor anonymity network, Debian GNU/Linux and security by isolation. DNS leaks are impossible, and not even malware with root privileges can find out the user’s real IP. Whonix consists of two parts: One...

OracleVM 3.4 : Unbreakable / etc (OVMSA-2019-0024)

The remote OracleVM system is missing necessary patches to address critical security updates : - hugetlbfs: don't retry when pool page allocations start to fail Mike Kravetz Orabug: 29324267 - x86/speculation: RSB stuffing with retpoline on Skylake+ cpus William Roche Orabug: 29660924 -...

kernel, perf, python security update

CentOS Errata and Security Advisory CESA-2019:0717 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...

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

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...

March 1, 2019—KB4482887 (OS Build 17763.348)

None None...

Unbreakable Enterprise kernel security update

4.14.35-1844.2.5 - x86/apic: Switch all APICs to Fixed delivery mode Thomas Gleixner Orabug: 29262403 4.14.35-1844.2.4 - x86/platform/UV: Add check of TSC state set by UV BIOS [email protected] Orabug: 29205471 - x86/tsc: Provide a means to disable TSC ART [email protected] Orabug: 29205471 -...

OracleVM 3.4 : Unbreakable / etc (OVMSA-2019-0007) (Spectre)

The remote OracleVM system is missing necessary patches to address critical security updates : - x86/bugs: Fix the AMD SSBD usage of the SPECCTRL MSR Tom Lendacky Orabug: 28870524 CVE-2018-3639 - x86/bugs: Add AMD's SPECCTRL MSR usage Konrad Rzeszutek Wilk Orabug: 28870524 CVE-2018-3639 -...

Unbreakable Enterprise kernel security update

4.1.12-124.25.1 - x86/bugs: Fix the AMD SSBD usage of the SPECCTRL MSR Tom Lendacky Orabug: 28870524 CVE-2018-3639 - x86/bugs: Add AMD's SPECCTRL MSR usage Konrad Rzeszutek Wilk Orabug: 28870524 CVE-2018-3639 - x86/cpufeatures: rename X86FEATUREAMDSSBD to X86FEATURELSCFGSSBD Mihai Carabas Orabug:...

kernel security and bug fix update

kernel 2.6.18-419.0.0.0.10 - Backport CVE-2017-5715 to RHCK/OL5 orabug 27787723 2.6.18-419.0.0.0.9 - rebuild with retpoline compiler...

SUSE SLES11 Security Update : kernel modules packages (SUSE-SU-2018:1784-1) (Spectre)

The following kernel modules were rebuild with 'retpoline' enablement to allow full mitigation of the Spectre Variant 2 CVE-2017-5715, bsc1068032 OFED was adjusted to add an entry to control the loading/unloading of cxgb4 to /etc/sysconf/infiniband bsc926856. Note that Tenable Network Security ha...

SUSE-SU-2018:1784-1 Security update for kernel modules packages

The following kernel modules were rebuild with 'retpoline' enablement to allow full mitigation of the Spectre Variant 2 CVE-2017-5715, bsc1068032 OFED was adjusted to add an entry to control the loading/unloading of cxgb4 to /etc/sysconf/infiniband bsc926856...