GSD-2022-1003094 x86/sev: Annotate stack change in the #VC handler

x86/sev: Annotate stack change in the VC handler 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 v5.17.14 by commit...

GSD-2022-1002869 KVM: SVM: Use kzalloc for sev ioctl interfaces to prevent kernel data leak

KVM: SVM: Use kzalloc for sev ioctl interfaces to prevent kernel data leak 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 v5.18.2 by commit...

SUSE SLED15 / SLES15 Security Update : kernel-firmware (SUSE-SU-2022:1923-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:1923-1 advisory. - Failure to flush the Translation Lookaside Buffer TLB of the I/O memory management unit IOMMU may lead an IO...

openSUSE: Security Advisory for kernel-firmware (SUSE-SU-2022:1923-1)

The remote host is missing an update for the Copyright C 2022 Greenbone Networks GmbH 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-or-later This program is free software; you can...

SUSE: Security Advisory (SUSE-SU-2022:1840-1)

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

openSUSE: Security Advisory for kernel-firmware (SUSE-SU-2022:1840-1)

The remote host is missing an update for the Copyright C 2022 Greenbone Networks GmbH 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-or-later This program is free software; you can...

SUSE: Security Advisory (SUSE-SU-2022:1847-1)

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

SUSE SLES12 Security Update : kernel-firmware (SUSE-SU-2022:1846-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:1846-1 advisory. - Failure to flush the Translation Lookaside Buffer TLB of the I/O memory management unit IOMMU may lead an IO device to write to...

SUSE SLED15 / SLES15 Security Update : kernel-firmware (SUSE-SU-2022:1840-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:1840-1 advisory. - Failure to flush the Translation Lookaside Buffer TLB of the I/O memory management unit IOMMU may lead an IO...

SUSE-SU-2022:1840-1 Security update for kernel-firmware

This update for kernel-firmware fixes the following issues: Update AMD ucode and SEV firmware - CVE-2021-26339, CVE-2021-26373, CVE-2021-26347, CVE-2021-26376, CVE-2021-26375, CVE-2021-26378, CVE-2021-26372, CVE-2021-26339, CVE-2021-26348, CVE-2021-26342, CVE-2021-26388, CVE-2021-26349,...

SUSE SLES15 Security Update : kernel-firmware (SUSE-SU-2022:1751-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:1751-1 advisory. Update AMD ucode and SEV firmware - CVE-2021-26339, CVE-2021-26373, CVE-2021-26347, CVE-2021-26376, CVE-2021-26375, CVE-2021-26378,...

SUSE: Security Advisory (SUSE-SU-2022:1751-1)

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

SUSE-SU-2022:1751-1 Security update for kernel-firmware

This update for kernel-firmware fixes the following issues: Update AMD ucode and SEV firmware - CVE-2021-26339, CVE-2021-26373, CVE-2021-26347, CVE-2021-26376, CVE-2021-26375, CVE-2021-26378, CVE-2021-26372, CVE-2021-26339, CVE-2021-26348, CVE-2021-26342, CVE-2021-26388, CVE-2021-26349,...

CVE-2022-0171

A flaw was found in the Linux kernel. The existing KVM SEV API has a vulnerability that allows a non-root host user-level application to crash the host kernel by creating a confidential guest VM instance in AMD CPU that supports Secure Encrypted Virtualization SEV...

CVE-2021-46744

An attacker with access to a malicious hypervisor may be able to infer data values used in a SEV guest on AMD CPUs by monitoring ciphertext values over time...

CVE-2021-26342

In SEV guest VMs, the CPU may fail to flush the Translation Lookaside Buffer TLB following a particular sequence of operations that includes creation of a new virtual machine control block VMCB. The failure to flush the TLB may cause the microcode to use stale TLB translations which may allow for...

CVE-2021-26342

In SEV guest VMs, the CPU may fail to flush the Translation Lookaside Buffer TLB following a particular sequence of operations that includes creation of a new virtual machine control block VMCB. The failure to flush the TLB may cause the microcode to use stale TLB translations which may allow for...

CVE-2021-26349

Failure to assign a new report ID to an imported guest may potentially result in an SEV-SNP guest VM being tricked into trusting a dishonest Migration Agent MA...

Design/Logic Flaw

An attacker with access to a malicious hypervisor may be able to infer data values used in a SEV guest on AMD CPUs by monitoring ciphertext values over time...

Code injection

In SEV guest VMs, the CPU may fail to flush the Translation Lookaside Buffer TLB following a particular sequence of operations that includes creation of a new virtual machine control block VMCB. The failure to flush the TLB may cause the microcode to use stale TLB translations which may allow for...