Information disclosure

A timing and power-based side channel attack leveraging the x86 PREFETCH instructions on some AMD CPUs could potentially result in leaked kernel address space information...

CVE-2021-26318

CVE-2021-26318 corresponds to a timing and power-based side-channel issue on some AMD CPUs that could potentially leak kernel address space information via the x86 PREFETCH instruction. Affected software/hardware: all AMD CPUs (per AMD: Side-channels Related to the x86 PREFETCH Instruction). Root...

CVE-2021-26318: Observable Timing Discrepancy

A timing and power-based side channel attack leveraging the x86 PREFETCH instructions on some AMD CPUs could potentially result in leaked kernel address space information...

Side-channels Related to the x86 PREFETCH Instruction

Bulletin ID: AMD-SB-1017 Potential Impact: Leaked kernel address space information Severity: Medium Summary Researchers from Graz University of Technology with CISPA Helmholtz Center for Information Security have demonstrated timing and power-based side channel attacks leveraging the x86 PREFETCH...

PT-2021-4416

Name of the Vulnerable Software and Affected Versions AMD CPUs affected versions not specified Existing AMD CPUs vulnerable to the issue AMD CPUs based on Zen+ and Zen 2 microarchitectures Description The issue is related to speculative execution of read and write operations, accessing memory usi...

Siemens Industrial Products Intel CPUs (Update F)

1. EXECUTIVE SUMMARY CVSS v3 7.5 ATTENTION: Low attack complexity Vendor: Siemens Equipment: SIMATIC, SINUMERIK Vulnerabilities: Missing Encryption of Sensitive Data 2. UPDATE INFORMATION This updated advisory is a follow-up to the advisory update titled ICSA-21-222-05 Siemens Industrial Products...

Debian: Security Advisory (DSA-4941-1)

The remote host is missing an update for the Debian 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...

[SECURITY] [DLA 2714-1] linux-4.19 security update

Debian LTS Advisory DLA-2714-1 [email protected] https://www.debian.org/lts/security/ Ben Hutchings July 20, 2021 https://wiki.debian.org/LTS Package : linux-4.19 Version : 4.19.194-3deb9u1 CVE ID : CVE-2020-36311 CVE-2021-3609 CVE-2021-33909 CVE-2021-34693 Debian Bug : 990072 Several...

Moderate: Red Hat Security Advisory: lz4 security update

An update for lz4 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CV...

Debian: Security Advisory (DSA-4934-1)

The remote host is missing an update for the Debian 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...

[SECURITY] [DSA 4934-1] intel-microcode security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4934-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff June 26, 2021 https://www.debian.org/security/faq -...

UVI-2021-1000823 x86/kvm: Disable kvmclock on all CPUs on shutdown

x86/kvm: Disable kvmclock on all CPUs on shutdown This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.12.10 by commit...

GSD-2021-1000759 x86/kvm: Disable kvmclock on all CPUs on shutdown

x86/kvm: Disable kvmclock on all CPUs on shutdown This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.125 by commit...

CVE-2021-20591

Uncontrolled Resource Consumption vulnerability in Mitsubishi Electric MELSEC iQ-R series CPU modules R00/01/02CPU all versions, R04/08/16/32/120ENCPU all versions, R08/16/32/120SFCPU all versions, R08/16/32/120PCPU all versions, R08/16/32/120PSFCPU all versions allows a remote unauthenticated...

SUSE SLES11 Security Update : xen (SUSE-SU-2020:14521-1)

The remote SUSE Linux SLES11 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2020:14521-1 advisory. - Incomplete cleanup from specific special register read operations in some IntelR Processors may allow an authenticated user to potentially...

Intel Plugs 29 Holes in CPUs, Bluetooth, Security

Intel has unleashed 29 security advisories to plug up some serious bugs in the BIOS firmware for Intel processors, as well as in its Bluetooth products, Active Management Technology tools, the NUC Mini PC line, and, ironically, in its own security library. Details about the advisories can be foun...

Important: Red Hat Security Advisory: microcode_ctl security, bug fix and enhancement update

An update for microcodectl 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...

Important: Red Hat Security Advisory: microcode_ctl security, bug fix and enhancement update

An update for microcodectl 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...

Important: Red Hat Security Advisory: microcode_ctl security, bug fix and enhancement update

An update for microcodectl is now available for Red Hat Enterprise Linux 8. 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...

SUSE: Security Advisory (SUSE-SU-2019:2951-1)

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...