Race condition

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...

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...

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...

CVE-2021-29657: Time-of-check Time-of-use (TOCTOU) Race Condition

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...

PT-2024-11297

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to a leak in kvm arch vcpu ioctl vcpu load due to vcpu put not being called if the user copy fails. This can result in preempt notifier corruption and crashes, among...

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...

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-2021-20181 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...

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...

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...

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...

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...