347 matches found
CentOS: Security Advisory for qemu-guest-agent (CESA-2020:4056)
The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH 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-or-later This program is free software; you can...
libvirt: Potential DoS by holding a monitor job while querying QEMU guest-agent
A flaw was found in the way the libvirtd daemon issued the 'suspend' command to a QEMU guest-agent running inside a guest, where it holds a monitor job while issuing the 'suspend' command to a guest-agent. A malicious guest-agent may use this flaw to block the libvirt daemon indefinitely, resulti...
[SECURITY] Fedora 31 Update: kata-agent-1.11.1-1.fc31.1
Kata guest agent. This is not used on the host, it is copied into the kata guest image via kata-osbuilder scripts...
Moderate: Red Hat Security Advisory: libvirt security and bug fix update
An update for libvirt is now available for Red Hat Enterprise Linux 7. 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 available for each vulnerability from th...
libvirt: Potential DoS by holding a monitor job while querying QEMU guest-agent
A flaw was found in the way the libvirtd daemon issued the 'suspend' command to a QEMU guest-agent running inside a guest, where it holds a monitor job while issuing the 'suspend' command to a guest-agent. A malicious guest-agent may use this flaw to block the libvirt daemon indefinitely, resulti...
An incorrect permissions check was discovered in libvirt 4.8.0 and above. The readonly permission was allowed to invoke APIs depending on the guest agent which could lead to potentially disclosing unintended information or denial of service by causing libvirt to block.
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Integer Overflow
qemu is vulnerable to integer overflow. qmpguestfileread in qga/commands-posix.c and qga/commands-win32.c in qemu-ga aka QEMU Guest Agent has an integer overflow causing a gmalloc0 call to trigger a segmentation fault when trying to allocate a large memory chunk. The vulnerability can be exploite...
Updated libvirt packages fix security vulnerability
Updated libvirt packages fix security vulnerability: A flaw was found in the way the libvirtd daemon issued the 'suspend' command to a QEMU guest-agent running inside a guest, where it holds a monitor job while issuing the 'suspend' command to a guest-agent. A malicious guest-agent may use this...
libvirt: Potential DoS by holding a monitor job while querying QEMU guest-agent
A flaw was found in the way the libvirtd daemon issued the 'suspend' command to a QEMU guest-agent running inside a guest, where it holds a monitor job while issuing the 'suspend' command to a guest-agent. A malicious guest-agent may use this flaw to block the libvirt daemon indefinitely, resulti...
CentOS: Security Advisory for qemu-guest-agent (CESA-2020:1403)
The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH 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-or-later This program is free software; you can...
CVE-2019-12929
QEMU's Machine Protocol QMP is designed to enable remote applications ex. Libvirt to control and manage QEMU process instances. QEMU Guest-Agent is a daemon program which helps remote applications ex. Libvirt to run commands on the guest VM, it supports QMP commands. It is meant to be used by...
DEBIAN-CVE-2019-20485
qemu/qemudriver.c in libvirt before 6.0.0 mishandles the holding of a monitor job during a query to a guest agent, which allows attackers to cause a denial of service API blockage...
ALPINE-CVE-2019-20485
qemu/qemudriver.c in libvirt before 6.0.0 mishandles the holding of a monitor job during a query to a guest agent, which allows attackers to cause a denial of service API blockage...
Design/Logic Flaw
qemu/qemudriver.c in libvirt before 6.0.0 mishandles the holding of a monitor job during a query to a guest agent, which allows attackers to cause a denial of service API blockage...
CVE-2019-20485
qemu/qemudriver.c in libvirt before 6.0.0 mishandles the holding of a monitor job during a query to a guest agent, which allows attackers to cause a denial of service API blockage...
CVE-2018-12617
qmpguestfileread in qga/commands-posix.c and qga/commands-win32.c in qemu-ga aka QEMU Guest Agent in QEMU 2.12.50 has an integer overflow causing a gmalloc0 call to trigger a segmentation fault when trying to allocate a large memory chunk. The vulnerability can be exploited by sending a crafted Q...
CentOS: Security Advisory for qemu-guest-agent (CESA-2020:0775)
The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH 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-or-later This program is free software; you can...
CVE-2019-20485
A flaw was found in the way the libvirtd daemon issued the 'suspend' command to a QEMU guest-agent running inside a guest, where it holds a monitor job while issuing the 'suspend' command to a guest-agent. A malicious guest-agent may use this flaw to block the libvirt daemon indefinitely, resulti...
PT-2020-10467 · Libvirt +6 · Libvirt +6
Name of the Vulnerable Software and Affected Versions: libvirt versions prior to 6.0.0 Description: The issue is related to the mishandling of the holding of a monitor job during a query to a guest agent in the qemu/qemu driver.c file. This allows attackers to cause a denial of service, resulting...
libvirt: virsh domhostname command discloses guest hostname in readonly mode
An incorrect permissions check was discovered in libvirt 4.8.0 and above. The readonly permission was allowed to invoke APIs depending on the guest agent which could lead to potentially disclosing unintended information or denial of service by causing libvirt to block...