GSD-2022-1001443 KVM: x86: Avoid theoretical NULL pointer dereference in kvm_irq_delivery_to_apic_fast()

KVM: x86: Avoid theoretical NULL pointer dereference in kvmirqdeliverytoapicfast 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 v5.16.19 by...

GSD-2022-1001439 KVM: SVM: fix panic on out-of-bounds guest IRQ

KVM: SVM: fix panic on out-of-bounds guest IRQ 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 v5.16.19 by commit...

GSD-2022-1001420 KVM: x86/svm: Clear reserved bits written to PerfEvtSeln MSRs

KVM: x86/svm: Clear reserved bits written to PerfEvtSeln MSRs 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 v5.16.20 by commit...

GSD-2022-1001336 KVM: avoid NULL pointer dereference in kvm_dirty_ring_push

KVM: avoid NULL pointer dereference in kvmdirtyringpush 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 v5.16.20 by commit...

GSD-2022-1001136 KVM: x86/mmu: Zap _all_ roots when unmapping gfn range in TDP MMU

KVM: x86/mmu: Zap all roots when unmapping gfn range in TDP MMU 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 v5.17.2 by commit...

GSD-2022-1001122 KVM: x86/mmu: do compare-and-exchange of gPTE via the user address

KVM: x86/mmu: do compare-and-exchange of gPTE via the user address 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 v5.17.2 by commit...

GSD-2022-1001117 KVM: x86: Avoid theoretical NULL pointer dereference in kvm_irq_delivery_to_apic_fast()

KVM: x86: Avoid theoretical NULL pointer dereference in kvmirqdeliverytoapicfast 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 v5.17.2 by comm...

GSD-2022-1001115 KVM: SVM: fix panic on out-of-bounds guest IRQ

KVM: SVM: fix panic on out-of-bounds guest IRQ 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 v5.17.2 by commit...

GSD-2022-1001091 KVM: x86/svm: Clear reserved bits written to PerfEvtSeln MSRs

KVM: x86/svm: Clear reserved bits written to PerfEvtSeln MSRs 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 v5.17.3 by commit...

GSD-2022-1000993 KVM: avoid NULL pointer dereference in kvm_dirty_ring_push

KVM: avoid NULL pointer dereference in kvmdirtyringpush 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 v5.17.3 by commit...

Ubuntu: Security Advisory (USN-5385-1)

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-5385-1: Linux kernel vulnerabilities

Brendan Dolan-Gavitt discovered that the aQuantia AQtion Ethernet device driver in the Linux kernel did not properly validate meta-data coming from the device. A local attacker who can control an emulated device can use this to cause a denial of service system crash or possibly execute arbitrary...

EulerOS 2.0 SP9 : kernel (EulerOS-SA-2022-1450)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A vulnerability was found in Linux kernel, where a use-after-frees in nouveau's postclose handler could happen if removing device that is not...

Ubuntu: Security Advisory (USN-5377-1)

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...

Unbreakable Enterprise kernel security update

5.4.17-2136.306.1.3 - KVM: x86/mmu: do compare-and-exchange of gPTE via the user address Paolo Bonzini Orabug: 34053807 CVE-2022-1158 5.4.17-2136.306.1.2 - Revert 'rds/ib: recover rds connection from stuck rx path' Rohit Nair Orabug: 34045203 5.4.17-2136.306.1.1 - netfilter: nftables: initialize...

Unbreakable Enterprise kernel-container security update

5.4.17-2136.306.1.3 - KVM: x86/mmu: do compare-and-exchange of gPTE via the user address Paolo Bonzini Orabug: 34053807 CVE-2022-1158 5.4.17-2136.306.1.2 - Revert 'rds/ib: recover rds connection from stuck rx path' Rohit Nair Orabug: 34045203 5.4.17-2136.306.1.1 - netfilter: nftables: initialize...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2022-9264)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2022-9264 advisory. 5.4.17-2136.305.5.5 - KVM: x86/mmu: do compare-and-exchange of gPTE via the user address Paolo Bonzini Orabug: 34034594 CVE-2022-1158 Tenable has extracted...

It was discovered that the update for the virt:rhel module in the RHSA-2020:4676 (https://access.redhat.com/errata/RHSA-2020:4676) erratum released as part of Red Hat Enterprise Linux 8.3 failed to include the fix for the qemu-kvm component issue CVE-2020-10756 which was previously corrected in virt:rhel/qemu-kvm via erratum RHSA-2020:4059 (https://access.redhat.com/errata/RHSA-2020:4059). CVE-2021-20295 was assigned to that Red Hat specific security regression. For more details about the original security issue CVE-2020-10756 refer to bug 1835986 or the CVE page: https://access.redhat.com/security/cve/CVE-2020-10756.

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Unbreakable Enterprise kernel security update

5.4.17-2136.305.5.5 - KVM: x86/mmu: do compare-and-exchange of gPTE via the user address Paolo Bonzini Orabug: 34034594 CVE-2022-1158...

CVE-2022-1263

A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service...