stop-zenbleed-win

Stopping Zenbleed CVE-2023-20593 on Windows The newly discovered Zenbleed vulnerability CVE-2023-20593 affects all Zen2 processors from AMD. Unfortunately, AMD will not provide microcode updates for many of its processors until November or December 2023. How to stay safe in the meantime? Luckily,...

CVE-2026-79608

A flaw was found in Xen. Due to an inverted conditional check in the handling of processor configuration registers, the software mitigation for the Zenbleed hardware vulnerability is not applied when required. A malicious guest user can exploit this lack of protection to access sensitive data...

CLSA-2023-1693432495 Fix of 8 CVEs

CVE-url: https://ubuntu.com/security/CVE-2023-4128 - net/sched: clsu32: No longer copy tcfresult on update to avoid use-after- free - net/sched: clsfw: No longer copy tcfresult on update to avoid use-after- free - net/sched: clsroute: No longer copy tcfresult on update to avoid use- after-free...

Linux Distros Unpatched Vulnerability : CVE-2026-79608

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The workaround for XSA-433 Zenbleed, CVE-2023-20593 was later re-worked to better integrate with other manipulations of the same MSR. In this rework an inverted...

SUSE CVE-2026-79608

The workaround for XSA-433 Zenbleed, CVE-2023-20593 was later re-worked to better integrate with other manipulations of the same MSR. In this rework an inverted conditional was introduced, resulting in the workaround to not be applied when needed and vice versa. For more details, see:...

UBUNTU-CVE-2026-79608

The workaround for XSA-433 Zenbleed, CVE-2023-20593 was later re-worked to better integrate with other manipulations of the same MSR. In this rework an inverted conditional was introduced, resulting in the workaround to not be applied when needed and vice versa. For more details, see:...

ALPINE-CVE-2026-79608

The workaround for XSA-433 Zenbleed, CVE-2023-20593 was later re-worked to better integrate with other manipulations of the same MSR. In this rework an inverted conditional was introduced, resulting in the workaround to not be applied when needed and vice versa. For more details, see:...

DEBIAN-CVE-2026-79608

The workaround for XSA-433 Zenbleed, CVE-2023-20593 was later re-worked to better integrate with other manipulations of the same MSR. In this rework an inverted conditional was introduced, resulting in the workaround to not be applied when needed and vice versa. For more details, see:...

CVE-2026-79608

The workaround for XSA-433 Zenbleed, CVE-2023-20593 was later re-worked to better integrate with other manipulations of the same MSR. In this rework an inverted conditional was introduced, resulting in the workaround to not be applied when needed and vice versa. For more details, see:...

CVE-2026-79608

The workaround for XSA-433 Zenbleed, CVE-2023-20593 was later re-worked to better integrate with other manipulations of the same MSR. In this rework an inverted conditional was introduced, resulting in the workaround to not be applied when needed and vice versa. For more details, see:...

CVE-2026-79608

The workaround for XSA-433 Zenbleed, CVE-2023-20593 was later re-worked to better integrate with other manipulations of the same MSR. In this rework an inverted conditional was introduced, resulting in the workaround to not be applied when needed and vice versa. For more details, see:...

CVE-2026-79608 x86/AMD: ineffectual Zenbleed workaround

The workaround for XSA-433 Zenbleed, CVE-2023-20593 was later re-worked to better integrate with other manipulations of the same MSR. In this rework an inverted conditional was introduced, resulting in the workaround to not be applied when needed and vice versa. For more details, see:...

CVE-2026-79608 x86/AMD: ineffectual Zenbleed workaround

The workaround for XSA-433 Zenbleed, CVE-2023-20593 was later re-worked to better integrate with other manipulations of the same MSR. In this rework an inverted conditional was introduced, resulting in the workaround to not be applied when needed and vice versa. For more details, see:...

CVE-2026-79608

The Xen hypervisor is affected by CVE-2026-79608 , which was introduced due to an inverted conditional during a rework of the workaround for XSA-433 (Zenbleed, CVE-2023-20593) . This error causes the workaround to be applied incorrectly or not at all when manipulating the same MSR . Vulnerabiliti...

CVE-2026-79608

The workaround for XSA-433 Zenbleed, CVE-2023-20593 was later re-worked to better integrate with other manipulations of the same MSR. In this rework an inverted conditional was introduced, resulting in the workaround to not be applied when needed and vice versa. For more details, see:...

EUVD-2026-98824

The workaround for XSA-433 Zenbleed, CVE-2023-20593 was later re-worked to better integrate with other manipulations of the same MSR. In this rework an inverted conditional was introduced, resulting in the workaround to not be applied when needed and vice versa. For more details, see:...

x86/AMD: ineffectual Zenbleed workaround

ISSUE DESCRIPTION The workaround for XSA-433 Zenbleed, CVE-2023-20593 was later re-worked to better integrate with other manipulations of the same MSR. In this rework an inverted conditional was introduced, resulting in the workaround to not be applied when needed and vice versa. For more details...

PT-2026-111664

Name of the Vulnerable Software and Affected Versions xen versions prior to 4.22.0 06-1.1 Description A rework of the workaround for Zenbleed introduced an inverted conditional. This error causes the workaround to be applied incorrectly, meaning it is not active when required and is active when i...

SUSE: Security Advisory (SUSE-SU-2024:0884-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 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-2024:0885-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 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...