PT-2022-28811

Name of the Vulnerable Software and Affected Versions Linux Kernel versions v5.13 through v5.16.10 Description A potential NULL dereference issue was discovered in the KVM x86 nSVM component on nested migration. The actual impact and attack plausibility have not yet been proven. Recommendations F...

PT-2022-28729

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.15.25 Description A potential NULL dereference issue was identified in the KVM x86 nSVM component on nested migration. The actual impact and attack plausibility have not yet been proven. Recommendations For...

PT-2022-28779

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.16.10 Description The issue concerns a false positive RCU usage warning in the eventfd of KVM. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel versions prio...

PT-2022-28641

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.10.101 Description The issue concerns a false positive RCU usage warning in the eventfd of KVM. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel versions pri...

PT-2022-28886

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to 5.16.5 Description The issue is related to KVM x86 and nested virtualization, specifically when the SMM state is toggled. The actual impact and attack plausibility have not yet been proven. Recommendations For...

PT-2022-7503

Name of the Vulnerable Software and Affected Versions Linux kernel version 5.10.0 Description The vulnerability is related to the KVM Kernel-based Virtual Machine component of the Linux kernel, specifically in the x86/mmu Memory Management Unit module. The issue arises from the async pagefault...

Ubuntu: Security Advisory (USN-5295-2)

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...

USN-5298-1: Linux kernel vulnerabilities

It was discovered that the Packet network protocol implementation in the Linux kernel contained a double-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2021-22600 Jürgen Groß discovered that the Xen subsystem...

USN-5294-2: Linux kernel vulnerabilities

It was discovered that the Packet network protocol implementation in the Linux kernel contained a double-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2021-22600 Szymon Heidrich discovered that the USB Gadget...

USN-5295-2: Linux kernel vulnerabilities

It was discovered that the Packet network protocol implementation in the Linux kernel contained a double-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2021-22600 Jann Horn discovered a race condition in the Un...

ROS-20220207-01

Vulnerability in the implementation of the tipccryptokeyrcv function of the protocol for intra-cluster communication Transparent Inter-Process Communication TIPC of Linux kernel is related to insufficient input data verification when processing MSGCRYPTO messages. input data validation when...

The vulnerability of the kvm_s390_guest_sida_op() function in the KVM virtualization subsystem of Linux operating systems allows a hacker to gain unauthorized access to protected information.

The vulnerability of the kvms390guestsidaop function in the KVM virtualization subsystem of Linux operating systems is related to insufficient protection of service data. Exploiting this vulnerability can allow an attacker to gain unauthorized access to protected information...

GSD-2022-1000260 KVM: arm64: pkvm: Use the mm_ops indirection for cache maintenance

KVM: arm64: pkvm: Use the mmops indirection for cache maintenance 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 v5.15.19 by commit...

GSD-2022-1000248 KVM: x86: Forcibly leave nested virt when SMM state is toggled

KVM: x86: Forcibly leave nested virt when SMM state is toggled 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 v5.15.19 by commit...

GSD-2022-1000247 KVM: LAPIC: Also cancel preemption timer during SET_LAPIC

KVM: LAPIC: Also cancel preemption timer during SETLAPIC 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 v5.15.19 by commit...

GSD-2022-1000188 KVM: x86: Forcibly leave nested virt when SMM state is toggled

KVM: x86: Forcibly leave nested virt when SMM state is toggled 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 v5.10.97 by commit...

CVE-2021-4093

A flaw was found in the KVM's AMD code for supporting the Secure Encrypted Virtualization-Encrypted State SEV-ES. A KVM guest using SEV-ES can trigger out-of-bounds reads and writes in the host kernel via a malicious VMGEXIT for a string I/O instruction for example, outs or ins using the exit...

CVE-2021-4093

A flaw was found in the KVM's AMD code for supporting the Secure Encrypted Virtualization-Encrypted State SEV-ES. A KVM guest using SEV-ES can trigger out-of-bounds reads and writes in the host kernel via a malicious VMGEXIT for a string I/O instruction for example, outs or ins using the exit...

Out-of-bounds

A flaw was found in the KVM's AMD code for supporting the Secure Encrypted Virtualization-Encrypted State SEV-ES. A KVM guest using SEV-ES can trigger out-of-bounds reads and writes in the host kernel via a malicious VMGEXIT for a string I/O instruction for example, outs or ins using the exit...

CVE-2021-4093

CVE-2021-4093 : A flaw in the KVM AMD SEV-ES code allows a malicious VM using SEV-ES to trigger out-of-bounds reads/writes in the host kernel via a VMGEXIT with a string I/O instruction (e.g., outs/ins) using exit reason SVM_EXIT_IOIO. This can crash the host or enable a guest-to-host escape. Aff...