CVE-2020-35506 affecting package qemu-kvm 4.2.0-48

CVE-2020-35506 affecting package qemu-kvm 4.2.0-48. A patched version of the package is available...

Debian DLA-2843-1 : linux - LTS security update

The remote Debian 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-2843 advisory. - Use-after-free vulnerability in the Linux kernel exploitable by a local attacker due to reuse of a DCCP socket with an attached dccpshctxccid object as a listene...

Linux kernel information disclosure vulnerability (CNVD-2021-102393)

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the U.S. KVM is one of the kernel-based virtual machines. overlayfs is one of the file systems. A security vulnerability exists in the Linux kernel that stems from a reference count leak in...

[SECURITY] [DLA 2843-1] linux security update

Debian LTS Advisory DLA-2843-1 [email protected] https://www.debian.org/lts/security/ Ben Hutchings December 16, 2021 https://wiki.debian.org/LTS Package : linux Version : 4.9.290-1 CVE ID : CVE-2020-3702 CVE-2020-16119 CVE-2021-0920 CVE-2021-3612 CVE-2021-3653 CVE-2021-3655 CVE-2021-36...

Linux kernel 代码问题漏洞

Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. Linux Kernel kvmdirtyringget suffers from a function denial of service vulnerability, which is caused by the kvmdirtyring function in virt/kvm/dirtyring.c without creating a vCPU. dirtyring function in...

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-2021-4095

A NULL pointer dereference was found in the Linux kernel's KVM when dirty ring logging is enabled without an active vCPU context. An unprivileged local attacker on the host may use this flaw to cause a kernel oops condition and thus a denial of service by issuing a KVMXENHVMSETATTR ioctl...

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...

Low: Red Hat Security Advisory: virt:av and virt-devel:av security, bug fix, and enhancement update

An update for the virt:av and virt-devel:av modules is now available for Red Hat Enterprise Linux Advanced Virtualization 8.4. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

Moderate: Red Hat Security Advisory: virt:8.2 and virt-devel:8.2 security update

An update for the virt:8.2 and virt-devel:8.2 modules is now available for Advanced Virtualization for RHEL 8.2.1. 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,...

SUSE SLES15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2021:3969-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:3969-1 advisory. The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes. The following security bugs were fixed:...

Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-5165-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5165-1 advisory. It was discovered that the NFC subsystem in the Linux kernel contained a use-after-free vulnerability in its NFC Controller Interface NCI implementation....

Ubuntu: Security Advisory (USN-5161-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

Ubuntu: Security Advisory (USN-5162-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

Ubuntu: Security Advisory (USN-5165-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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-5165-1: Linux kernel (OEM) vulnerabilities

It was discovered that the NFC subsystem in the Linux kernel contained a use-after-free vulnerability in its NFC Controller Interface NCI implementation. A local attacker could possibly use this to cause a denial of service system crash or execute arbitrary code. CVE-2021-3760 It was discovered...

USN-5163-1: Linux kernel vulnerabilities

Ilja Van Sprundel discovered that the SCTP implementation in the Linux kernel did not properly perform size validations on incoming packets in some situations. An attacker could possibly use this to expose sensitive information kernel memory. CVE-2021-3655 It was discovered that the Option USB Hi...

CVE-2021-4032

A vulnerability was found in the Linux kernel's KVM subsystem in arch/x86/kvm/lapic.c kvmfreelapic when a failure allocation was detected. In this flaw the KVM subsystem may crash the kernel due to mishandling of memory errors that happens during VCPU construction, which allows an attacker with...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2021-9564)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9564 advisory. - LTS tag: v5.4.142 Jack Vogel CVE-2021-3653 CVE-2021-3656 - KVM: nSVM: always intercept VMLOAD/VMSAVE when nested CVE-2021-3656 Maxim Levitsky -...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel-container (ELSA-2021-9565)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9565 advisory. - LTS tag: v5.4.142 Jack Vogel CVE-2021-3653 CVE-2021-3656 - KVM: nSVM: always intercept VMLOAD/VMSAVE when nested CVE-2021-3656 Maxim Levitsky -...