CVE-2021-29657

CVE-2021-29657 affects the Linux kernel KVM SVM nested virtualization (AMD). A TOCTOU race in arch/x86/kvm/svm/nested.c/nested_svm_vmrun allows a guest to bypass interception checks and corrupt the saved L1 host context, potentially enabling a guest-to-host influence over host MSR state via neste...

CVE-2021-29657

arch/x86/kvm/svm/nested.c in the Linux kernel before 5.11.12 has a use-after-free in which an AMD KVM guest can bypass access control on host OS MSRs when there are nested guests, aka CID-a58d9166a756. This occurs because of a TOCTOU race condition associated with a VMCB12 double fetch in...

Debian: Security Advisory (DSA-4941-1)

The remote host is missing an update for the Debian 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-5017-1: Linux kernel vulnerabilities

It was discovered that the virtual file system implementation in the Linux kernel contained an unsigned to signed integer conversion error. A local attacker could use this to cause a denial of service system crash or execute arbitrary code. CVE-2021-33909 It was discovered that the bluetooth...

USN-5014-1: Linux kernel vulnerability

It was discovered that the virtual file system implementation in the Linux kernel contained an unsigned to signed integer conversion error. A local attacker could use this to cause a denial of service system crash or execute arbitrary code...

[SECURITY] [DLA 2714-1] linux-4.19 security update

Debian LTS Advisory DLA-2714-1 [email protected] https://www.debian.org/lts/security/ Ben Hutchings July 20, 2021 https://wiki.debian.org/LTS Package : linux-4.19 Version : 4.19.194-3deb9u1 CVE ID : CVE-2020-36311 CVE-2021-3609 CVE-2021-33909 CVE-2021-34693 Debian Bug : 990072 Several...

CVE-2021-20181 affecting package qemu-kvm 4.2.0-48

CVE-2021-20181 affecting package qemu-kvm 4.2.0-48. A patched version of the package is available...

CVE-2021-20221 affecting package qemu-kvm 4.2.0-48

CVE-2021-20221 affecting package qemu-kvm 4.2.0-48. A patched version of the package is available...

CVE-2021-3527 affecting package qemu-kvm 4.2.0-48

CVE-2021-3527 affecting package qemu-kvm 4.2.0-48. A patched version of the package is available...

CVE-2020-27661 affecting package qemu-kvm 4.2.0-48

CVE-2020-27661 affecting package qemu-kvm 4.2.0-48. A patched version of the package is available...

Huawei EulerOS: Security Advisory for qemu-kvm (EulerOS-SA-2021-2166)

The remote host is missing an update for the Huawei EulerOS 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...

Huawei EulerOS: Security Advisory for qemu-kvm (EulerOS-SA-2021-2125)

The remote host is missing an update for the Huawei EulerOS 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...

Black Box Kvm Extender 3.4.31307 - Local File Inclusion Exploit

Exploit Title: Black Box Kvm Extender 3.4.31307 - Local File Inclusion Exploit Author: Ferhat Çil Vendor Homepage: http://www.blackbox.com/ Software Link: https://www.blackbox.com/en-us/products/black-box-brand-products/kvm Version: 3.4.31307 Category: Webapps Tested on: Linux Description: Any us...

Black Box Kvm Extender 3.4.31307 Local File Inclusion

Exploit Title: Black Box Kvm Extender 3.4.31307 - Local File Inclusion Date: 05.07.2021 Exploit Author: Ferhat Çil Vendor Homepage: http://www.blackbox.com/ Software Link: https://www.blackbox.com/en-us/products/black-box-brand-products/kvm Version: 3.4.31307 Category: Webapps Tested on: Linux...

EulerOS Virtualization 3.0.2.2 : qemu-kvm (EulerOS-SA-2021-2166)

According to the versions of the qemu-kvm packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - The imxfecdotx function in hw/net/imxfec.c in QEMU aka Quick Emulator does not properly limit the buffer descriptor count when...

Black Box Kvm Extender 3.4.31307 - Local File Inclusion

Exploit Title: Black Box Kvm Extender 3.4.31307 - Local File Inclusion Date: 05.07.2021 Exploit Author: Ferhat Çil Vendor Homepage: http://www.blackbox.com/ Software Link: https://www.blackbox.com/en-us/products/black-box-brand-products/kvm Version: 3.4.31307 Category: Webapps Tested on: Linux...

Huawei EulerOS: Security Advisory for qemu-kvm (EulerOS-SA-2021-1994)

The remote host is missing an update for the Huawei EulerOS 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...

Huawei EulerOS: Security Advisory for qemu-kvm (EulerOS-SA-2021-2046)

The remote host is missing an update for the Huawei EulerOS 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...

Huawei EulerOS: Security Advisory for qemu-kvm (EulerOS-SA-2021-2011)

The remote host is missing an update for the Huawei EulerOS 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...

EulerOS 2.0 SP9 : kernel (EulerOS-SA-2021-2051)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A flaw was found in the Nosy driver in the Linux kernel. This issue allows a device to be inserted twice into a doubly-linked list, leading to a...