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...

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...

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...

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...

[SECURITY] Fedora 35 Update: qemu-6.1.0-14.fc35

qemu is an open source virtualizer that provides hardware emulation for the KVM hypervisor. qemu acts as a virtual machine monitor together with the KVM kernel modules, and emulates the hardware for a full system such as a PC and its associated peripherals...

Unbreakable Enterprise kernel security update

5.4.17-2136.304.4.1 - Revert rds/ib: Kernel upgrade to rdsibconns info displayed by rds-info Rohit Nair Orabug: 33832625 - cgroup-v1: Require capabilities to set releaseagent Eric W. Biederman Orabug: 33832582 CVE-2022-0492 5.4.17-2136.304.4 - scsi: libiscsi: Fix iscsitask use after free Mike...

Unbreakable Enterprise kernel-container security update

5.4.17-2136.304.4.1 - Revert rds/ib: Kernel upgrade to rdsibconns info displayed by rds-info Rohit Nair Orabug: 33832625 - cgroup-v1: Require capabilities to set releaseagent Eric W. Biederman Orabug: 33832582 CVE-2022-0492 5.4.17-2136.304.4 - scsi: libiscsi: Fix iscsitask use after free Mike...

The vulnerability of the Linux operating system’s kernel, related to deficiencies in access control, allows attackers to escalate their privileges.

The vulnerability of the Linux operating system’s kernel is related to improperly applied security restrictions in the KVM AMD code, which is used to support embedded virtualization within SVM. Exploiting this vulnerability can allow attackers to increase their privileges...

AlmaLinux 8 : kernel (ALSA-2021:3548)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2021:3548 advisory. - A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB virtual machine control block provided ...

Rocky Linux 8 : kernel (RLSA-2021:3057)

The remote Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2021:3057 advisory. - An issue was discovered in Linux: KVM through Improper handling of VMIO|VMPFNMAP vmas in KVM can bypass RO checks and can lead to pages being freed...

QEMU Monitor HMP migrate Command Execution

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule "QEMU Monitor HMP 'migrate' Command Execution", 'Description' = %q This module uses QEMU's Monitor Human Monitor Interface HMP TCP server to execu...

USN-5268-1: Linux kernel vulnerabilities

Keyu Man discovered that the ICMP implementation in the Linux kernel did not properly handle received ICMP error packets. A remote attacker could use this to facilitate attacks on UDP based services that depend on source port randomization. CVE-2021-20322 It was discovered that the Bluetooth...