USN-5562-1: Linux kernel vulnerabilities

Zhenpeng Lin discovered that the network packet scheduler implementation in the Linux kernel did not properly remove all references to a route filter before freeing it in some situations. A local attacker could use this to cause a denial of service system crash or execute arbitrary code...

SUSE: Security Advisory (SUSE-SU-2022:2721-1)

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...

kernel security, bug fix, and enhancement update

5.14.0-70.22.1.0.10.OL9 lockdown: also lock down previous kgdb use Daniel Thompson Orabug: 34290418 CVE-2022-21499 5.14.0-70.22.10.OL9 Update Oracle Linux certificates Kevin Lyons Disable signing for aarch64 Ilya Okomin Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys lis...

USN-5557-1: Linux kernel vulnerabilities

Zhenpeng Lin discovered that the network packet scheduler implementation in the Linux kernel did not properly remove all references to a route filter before freeing it in some situations. A local attacker could use this to cause a denial of service system crash or execute arbitrary code...

Unbreakable Enterprise kernel-container security update

4.14.35-2047.516.1.1 - netsched: clsroute: remove from list when handle is 0 Thadeu Lima de Souza Cascardo Orabug: 34460938 CVE-2022-2588 4.14.35-2047.516.1 - KVM: x86: Avoid theoretical NULL pointer dereference in kvmirqdeliverytoapicfast Vitaly Kuznetsov Orabug: 34323860 CVE-2022-2153 - KVM: x8...

Unbreakable Enterprise kernel security update

4.14.35-2047.516.1.1 - netsched: clsroute: remove from list when handle is 0 Thadeu Lima de Souza Cascardo Orabug: 34460938 CVE-2022-2588 4.14.35-2047.516.1 - KVM: x86: Avoid theoretical NULL pointer dereference in kvmirqdeliverytoapicfast Vitaly Kuznetsov Orabug: 34323860 CVE-2022-2153 - KVM: x8...

CVE-2022-1158

A flaw was found in KVM. When updating a guest's page table entry, vmpgoff was improperly used as the offset to get the page's pfn. As vaddr and vmpgoff are controllable by user-mode processes, this flaw allows unprivileged local users on the host to write outside the userspace region and...

CVE-2022-1158

A flaw was found in KVM. When updating a guest's page table entry, vmpgoff was improperly used as the offset to get the page's pfn. As vaddr and vmpgoff are controllable by user-mode processes, this flaw allows unprivileged local users on the host to write outside the userspace region and...

Race condition

A flaw was found in KVM. When updating a guest's page table entry, vmpgoff was improperly used as the offset to get the page's pfn. As vaddr and vmpgoff are controllable by user-mode processes, this flaw allows unprivileged local users on the host to write outside the userspace region and...

CVE-2022-1158

The CVE-2022-1158 issue affects Linux kernel KVM: updating a guest page table entry can use vm_pgoff as the offset to the page frame number, and since vaddr and vm_pgoff are user-controlled, an unprivileged host user could write outside the guest’s region and potentially corrupt the kernel, causi...

CVE-2022-1158

A flaw was found in KVM. When updating a guest's page table entry, vmpgoff was improperly used as the offset to get the page's pfn. As vaddr and vmpgoff are controllable by user-mode processes, this flaw allows unprivileged local users on the host to write outside the userspace region and...

CVE-2022-1158

A flaw was found in KVM. When updating a guest's page table entry, vmpgoff was improperly used as the offset to get the page's pfn. As vaddr and vmpgoff are controllable by user-mode processes, this flaw allows unprivileged local users on the host to write outside the userspace region and...

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...

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

An update is available for libguestfs, libnbd, libtpms, libguestfs-winsupport, nbdkit, supermin, libiscsi, hivex, libvirt, netcf, perl-Sys-Virt, seabios, qemu-kvm, swtpm, virt-v2v, sgabios, libvirt-dbus, libvirt-python. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS...

RLSA-2022:5821 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:Rocky Linux module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting wi...

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-2022:5821 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...

GSD-2022-1004562 KVM: x86: Fully initialize 'struct kvm_lapic_irq' in kvm_pv_kick_cpu_op()

KVM: x86: Fully initialize 'struct kvmlapicirq' in kvmpvkickcpuop 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 v5.10.132 by commit...

GSD-2022-1004549 x86/kvm: fix FASTOP_SIZE when return thunks are enabled

x86/kvm: fix FASTOPSIZE when return thunks are enabled 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 v5.10.133 by commit...

GSD-2022-1004514 KVM: Don't null dereference ops->destroy

KVM: Don't null dereference ops-destroy 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 v5.10.134 by commit...