SUSE SLES12 Security Update : xen (SUSE-SU-2022:2557-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:2557-1 advisory. - Incomplete cleanup of multi-core shared buffers for some IntelR Processors may allow an authenticated user to potentially enable...

SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2022:2549-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:2549-1 advisory. - Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in...

BSA-2022-2013

Security Advisory ID : BSA-2022-2013 Component : RETBLEED Revision : 1.0: Final A research team in Switzerland has found a new variant of the speculative execution vulnerabilities that affect some Intel and AMD chips aka RETBLEED. Retbleed CVE-2022-29900 and CVE-2022-29901 is the new addition to...

New Study Finds Most Enterprise Vendors Failing to Mitigate Speculative Execution Attacks

With speculative execution attacks remaining a stubbornly persistent vulnerability ailing modern processors, new research has highlighted an "industry failure" to adopt mitigations released by AMD and Intel, posing a firmware supply chain threat. Dubbed FirmwareBleed by Binarly, the information...

Debian: Security Advisory (DSA-5184-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2022 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...

Debian DSA-5184-1 : xen - security update

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5184 advisory. - Incomplete cleanup of multi-core shared buffers for some IntelR Processors may allow an authenticated user to potentially enable information disclosure via loca...

[SECURITY] [DSA 5184-1] xen security update

------------------------------------------------------------------------- Debian Security Advisory DSA-5184-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff July 15, 2022 https://www.debian.org/security/faq -...

Arbitrary Code Execution

xen is vulnerable to arbitrary code execution. The vulnerability exists in hw due to Mis-trained branch predictions for return instructions which allows an attacker to inject and execute arbitrary speculative codes under certain microarchitecture-dependent conditions...

New 'Retbleed' Speculative Execution Attack Affects AMD and Intel CPUs

Security researchers have uncovered yet another vulnerability affecting numerous older AMD and Intel microprocessors that could bypass current defenses and result in Spectre-based speculative-execution attacks. Dubbed Retbleed by ETH Zurich researchers Johannes Wikner and Kaveh Razavi, the issue ...

CVE-2022-23816

A flaw was found in hw. Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions...

CVE-2022-29901

Intel microprocessor generations 6 to 8 are affected by a new Spectre variant that is able to bypass their retpoline mitigation in the kernel to leak arbitrary data. An attacker with unprivileged user access can hijack return instructions to achieve arbitrary speculative code execution under...

DEBIAN-CVE-2022-29901

Intel microprocessor generations 6 to 8 are affected by a new Spectre variant that is able to bypass their retpoline mitigation in the kernel to leak arbitrary data. An attacker with unprivileged user access can hijack return instructions to achieve arbitrary speculative code execution under...

CVE-2022-29901

Intel microprocessor generations 6 to 8 are affected by a new Spectre variant that is able to bypass their retpoline mitigation in the kernel to leak arbitrary data. An attacker with unprivileged user access can hijack return instructions to achieve arbitrary speculative code execution under...

DEBIAN-CVE-2022-29900

Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions...

ALPINE-CVE-2022-29900

Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions...

CVE-2022-29900

Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions...

Design/Logic Flaw

Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions...

CVE-2022-29901

Intel microprocessor generations 6 to 8 are affected by a new Spectre variant that is able to bypass their retpoline mitigation in the kernel to leak arbitrary data. An attacker with unprivileged user access can hijack return instructions to achieve arbitrary speculative code execution under...

CVE-2022-29900

Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions...

Retbleed - arbitrary speculative code execution with return instructions

ISSUE DESCRIPTION Researchers at ETH Zurich have discovered Retbleed, allowing for arbitrary speculative execution in a victim context. For more details, see: https://comsec.ethz.ch/retbleed ETH Zurich have allocated CVE-2022-29900 for AMD and CVE-2022-29901 for Intel. Despite the similar...