CVE-2023-2680

This CVE exists because of an incomplete fix for CVE-2021-3750. More specifically, the qemu-kvm package as released for Red Hat Enterprise Linux 9.1 via RHSA-2022:7967 included a version of qemu-kvm that was actually missing the fix for CVE-2021-3750...

CVE-2023-4155 Sev-es / sev-snp vmgexit double fetch vulnerability

A flaw was found in KVM AMD Secure Encrypted Virtualization SEV in the Linux kernel. A KVM guest using SEV-ES or SEV-SNP with multiple vCPUs can trigger a double fetch race condition vulnerability and invoke the VMGEXIT handler recursively. If an attacker manages to call the handler multiple time...

CVE-2023-4155 Sev-es / sev-snp vmgexit double fetch vulnerability

A flaw was found in KVM AMD Secure Encrypted Virtualization SEV in the Linux kernel. A KVM guest using SEV-ES or SEV-SNP with multiple vCPUs can trigger a double fetch race condition vulnerability and invoke the VMGEXIT handler recursively. If an attacker manages to call the handler multiple time...

CVE-2023-4155

CVE-2023-4155 describes a vulnerability in the Linux kernel’s KVM AMD SEV implementation. A KVM guest using SEV-ES or SEV-SNP with multiple vCPUs can trigger a double fetch race that causes the VMGEXIT handler to be invoked recursively. If the handler is called multiple times, this can lead to a ...

CVE-2023-4155

A flaw was found in KVM AMD Secure Encrypted Virtualization SEV in the Linux kernel. A KVM guest using SEV-ES or SEV-SNP with multiple vCPUs can trigger a double fetch race condition vulnerability and invoke the VMGEXIT handler recursively. If an attacker manages to call the handler multiple time...

qemu-kvm security and bug fix update

7.2.0-14.el92.5 - rhel guest failed boot with multi disks on error Failed to start udev Wait for Complete Device Initialization - CVE-2023-3354 QEMU: VNC: improper I/O watch removal in TLS handshake can lead to remote unauthenticated denial of service - hotplug/hotunplug mlx vdpa device to the...

Oracle Linux 9 : qemu-kvm (ELSA-2023-5094)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-5094 advisory. - CVE-2023-3354 QEMU: VNC: improper I/O watch removal in TLS handshake can lead to remote unauthenticated denial of service Tenable has extracted the preceding...

Important: Red Hat Security Advisory: qemu-kvm security and bug fix 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 Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

Important: qemu-kvm security and bug fix update

Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. Security Fixes: QEMU: VNC: improper I/O watch removal in TLS handshake can lead to remote...

Linux kernel conditional contention vulnerability (CNVD-2023-71721)

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. The Linux kernel suffers from a conditional contention vulnerability, which arises from a KVM in the Linux kernel with Secure Encrypted Virtualization SEV AMD processor...

RHEL 9 : qemu-kvm (RHSA-2023:5094)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:5094 advisory. Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the...

Unbreakable Enterprise kernel-container security update

5.4.17-2136.323.8.el8 - vhost-scsi: Fix alignment handling with windows Mike Christie Orabug: 35769318 - Revert 'vhost/scsi: support non zerocopy iovecs' Rajan Shanmugavelu Orabug: 35769318 5.4.17-2136.323.7.el8 - x86: change default to specstorebypassdisable=prctl spectrev2user=prctl Andrea...

Oracle Linux 6 : qemu-kvm (ELSA-2011-0534)

The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2011-0534 advisory. - Resolves: bz698910 CVE-2011-1750 virtio-blk: heap buffer overflow caused by unaligned requests rhel-6.1 - Resolves: bz699789 CVE-2011-1751 acpipiix4:...

Oracle Linux 8 : kernel (ELSA-2020-3010)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-3010 advisory. - vfio vfio/pci: Fix SR-IOV VF handling with MMIO blocking Alex Williamson 1837309 1837310 CVE-2020-12888 - x86 kvm: Clean up host's steal time structu...

Oracle Linux 7 : qemu-kvm (ELSA-2019-2078)

The remote Oracle Linux 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2019-2078 advisory. - Resolves: bz1669068 CVE-2019-6778 qemu-kvm: QEMU: slirp: heap buffer overflow in tcpemu rhel-7.7 - Resolves: bz1693217 CVE-2018-12126 qemu-kvm: hardware:...

Oracle Linux 6 : qemu-kvm (ELSA-2011-1531)

The remote Oracle Linux 6 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2011-1531 advisory. - kvm-CVE-2011-2527-os-posix-set-groups-properly-for-runas.patch bz722583 - CVE: CVE-2011-2527 - Resolves: bz713593 CVE-2011-2212 virtqueue: too-large indirect...

Oracle Linux 7 : Unbreakable Enterprise kernel-container (ELSA-2021-9453)

The remote Oracle Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2021-9453 advisory. - KVM: do not allow mapping valid but non-reference-counted pages Nicholas Piggin Orabug: 33054089 CVE-2021-22543 CVE-2021-22543 - Input: joydev -...

Oracle Linux 7 : kernel (ELSA-2020-4060)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-4060 advisory. - vfio vfio/pci: Fix SR-IOV VF handling with MMIO blocking Alex Williamson 1820632 CVE-2020-12888 - x86 mm: Fix mremap not considering huge pmd devmap...

Oracle Linux 5 : kvm (ELSA-2010-0271)

The remote Oracle Linux 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2010-0271 advisory. - Resolves: bz563465 EMBARGOED CVE-2010-0419 kvm: emulator privilege escalation segment selector check rhel-5.5 -...

Oracle Linux 8 : kernel (ELSA-2019-3517)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-3517 advisory. - virt KVM: coalescedmmio: add bounds checking Bandan Das 1746804 CVE-2019-14821 - vhost vhost: make sure lognum innum Eugenio Perez 1750882...