USN-6497-1: Linux kernel (OEM) vulnerabilities

Maxim Levitsky discovered that the KVM nested virtualization SVM implementation for AMD processors in the Linux kernel did not properly handle x2AVIC MSRs. An attacker in a guest VM could use this to cause a denial of service host kernel crash. CVE-2023-5090 Alon Zahavi discovered that the...

Ubuntu 22.04 LTS / 23.04 : Linux kernel vulnerabilities (USN-6502-1)

The remote Ubuntu 22.04 LTS / 23.04 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6502-1 advisory. Ivan D Barrera, Christopher Bednarz, Mustafa Ismail, and Shiraz Saleem discovered that the InfiniBand RDMA driver in the Linux kernel did not...

Ubuntu 22.04 LTS : Linux kernel (OEM) vulnerabilities (USN-6497-1)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6497-1 advisory. Maxim Levitsky discovered that the KVM nested virtualization SVM implementation for AMD processors in the Linux kernel did not properly handle x2AVIC MSR...

Oracle Linux 9 : qemu-kvm (ELSA-2023-6368)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-6368 advisory. - Resolves: bz2216504 CVE-2023-3354 qemu-kvm: QEMU: VNC: improper I/O watch removal in TLS handshake can lead to remote unauthenticated denial of service...

Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2023-430)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2023-430 advisory. An issue was discovered in the Linux kernel before 6.5.9, exploitable by local users with userspace access to MMIO registers. Incorrect access checking in the VC handler and instruction emulati...

Moderate: Red Hat Security Advisory: edk2 security and bug fix update

An update for edk2 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the C...

Moderate: Red Hat Security Advisory: virt:rhel and virt-devel:rhel security, bug fix, and enhancement update

An update for the virt:rhel and virt-devel:rhel modules is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

ALSA-2023:6919 Moderate: edk2 security and bug fix update

EDK Embedded Development Kit is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. Security Fixes: edk2: Function GetEfiGlobalVariable2 return value not checked in DxeImageVerificationHandler CVE-2019-14560 For more details...

ALSA-2023:6980 Moderate: virt:rhel and virt-devel:rhel security, bug fix, and enhancement update

Kernel-based Virtual Machine KVM offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the...

Moderate: virt:rhel and virt-devel:rhel security, bug fix, and enhancement update

Kernel-based Virtual Machine KVM offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the...

ALSA-2023:7077 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: tun: avoid double free in tunfreenetdev CVE-2022-4744 kernel: net/sched: multiple vulnerabilities CVE-2023-3609, CVE-2023-3611, CVE-2023-4128, CVE-2023-4206, CVE-2023-4207, CVE-2023-4208...

Moderate: edk2 security and bug fix update

EDK Embedded Development Kit is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. Security Fixes: edk2: Function GetEfiGlobalVariable2 return value not checked in DxeImageVerificationHandler CVE-2019-14560 For more details...

qemu-kvm security, bug fix, and enhancement update

8.0.0-16.el93 - kvm-migration-Add-migration-prefix-to-functions-in-targe.patch bz2229868 - kvm-migration-Move-more-initializations-to-migrateinit.patch bz2229868 - kvm-migration-Add-.saveprepare-handler-to-struct-SaveVM.patch bz2229868 -...

NewStart CGSL MAIN 6.06 : kernel Multiple Vulnerabilities (NS-SA-2023-0142)

The remote NewStart CGSL host, running version MAIN 6.06, has kernel packages installed that are affected by multiple vulnerabilities: - Linux kernel vhost since version 4.8 does not properly initialize memory in messages passed between virtual guests and the host operating system in the...

Moderate: Red Hat Security Advisory: qemu-kvm security, bug fix, and enhancement update

An update for qemu-kvm is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

Moderate: Red Hat Security Advisory: edk2 security, bug fix, and enhancement update

An update for edk2 is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the C...

kernel: KVM: Reject attempts to consume or refresh inactive gfn_to_pfn_cache

In the Linux kernel, the following vulnerability has been resolved: KVM: Reject attempts to consume or refresh inactive gfntopfncache Reject kvmgpccheck and kvmgpcrefresh if the cache is inactive. Not checking the active flag during refresh is particularly egregious, as KVM can end up with a vali...

Moderate: edk2 security, bug fix, and enhancement update

EDK Embedded Development Kit is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. Security Fixes: edk2: Function GetEfiGlobalVariable2 return value not checked in DxeImageVerificationHandler CVE-2019-14560 openssl: Possibl...

RHEL 9 : qemu-kvm (RHSA-2023:6368)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:6368 advisory. Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the...