AMD Server Vulnerabilities – January 2023

Bulletin ID: AMD-SB-1032 Potential Impact: Varies by CVE, see descriptions below Severity: Varies by CVE, see descriptions below Summary During security reviews in collaboration with Google, Microsoft, and Oracle, potential vulnerabilities in the AMD Secure Processor ASP, AMD System Management Un...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-5792-2)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5792-2 advisory. Mingwei Zhang discovered that the KVM implementation for AMD processors in the Linux kernel did not properly handle cache coherency with Secu...

USN-5792-2: Linux kernel vulnerabilities

Mingwei Zhang discovered that the KVM implementation for AMD processors in the Linux kernel did not properly handle cache coherency with Secure Encrypted Virtualization SEV. A local attacker could possibly use this to cause a denial of service host system crash. CVE-2022-0171 It was discovered th...

USN-5792-1: Linux kernel vulnerabilities

Mingwei Zhang discovered that the KVM implementation for AMD processors in the Linux kernel did not properly handle cache coherency with Secure Encrypted Virtualization SEV. A local attacker could possibly use this to cause a denial of service host system crash. CVE-2022-0171 It was discovered th...

Slackware Linux 15.0 kernel-generic Multiple Vulnerabilities (SSA:2022-333-01)

The version of kernel-generic installed on the remote host is prior to 5.15.80 / 5.15.80smp. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2022-333-01 advisory. New kernel packages are available for Slackware 15.0 to fix security issues. Tenable has extracted the...

Amazon Linux 2022 : bpftool, kernel, kernel-devel (ALAS2022-2022-185)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2022-2022-185 advisory. 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 V...

Denial Of Service (DOS)

Kernel is vulnerable to out of bound reads. A KVM guest using SEV-ES can trigger out-of-bounds reads and writes in the host kernel via the SVMEXITIOIO exit reason...

Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2022-009 (ALASKERNEL-5.15-2022-009)

The version of kernel installed on the remote host is prior to 5.15.73-48.135. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.15-2022-009 advisory. A flaw was found in the Linux kernel. The existing KVM SEV API has a vulnerability that allows a non-root...

Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2022-021 (ALASKERNEL-5.10-2022-021)

The version of kernel installed on the remote host is prior to 5.10.147-133.644. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2022-021 advisory. A vulnerability was found in the fs/inode.c:inodeinitowner function logic of the LInux kernel that allow...

Important: kernel

Issue Overview: 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-2022-0171 A...

Mageia: Security Advisory (MGASA-2022-0380)

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...

MGASA-2022-0379 Updated kernel packages fix security vulnerabilities

This kernel update is based on upstream 5.15.74 and fixes at least the following security issues: 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...

Updated kernel packages fix security vulnerabilities

This kernel update is based on upstream 5.15.74 and fixes at least the following security issues: 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...

[SECURITY] [DSA 5257-1] linux security update

------------------------------------------------------------------------- Debian Security Advisory DSA-5257-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso October 18, 2022 https://www.debian.org/security/faq -...

PT-2022-33950 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.15.61 Description: A potential security issue exists due to a kernel memory leak in the sev ioctl interfaces. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux...

GSD-2022-1005373 crypto: ccp - Use kzalloc for sev ioctl interfaces to prevent kernel memory leak

crypto: ccp - Use kzalloc for sev ioctl interfaces to prevent kernel memory 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 v5.19.2 by comm...

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-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...

Design/Logic Flaw

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-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...