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redhatRedHatRHSA-2020:4000
HistorySep 29, 2020 - 7:50 a.m.

(RHSA-2020:4000) Moderate: libvirt security and bug fix update

2020-09-2907:50:17
access.redhat.com
24
libvirt
c api
virtualization
linux
operating systems
dos
qemu guest-agent
denial of service
cvss score
red hat enterprise linux 7.9

CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.004

Percentile

72.7%

JSON

The libvirt library contains a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems. In addition, libvirt provides tools for remote management of virtualized systems.

Security Fix(es):

  • libvirt: Potential DoS by holding a monitor job while querying QEMU guest-agent (CVE-2019-20485)

  • libvirt: Potential denial of service via active pool without target path (CVE-2020-10703)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.9 Release Notes linked from the References section.

OSVersionArchitecturePackageVersionFilename
RedHat7ppc64lelibvirt-daemon-driver-storage< 4.5.0-36.el7libvirt-daemon-driver-storage-4.5.0-36.el7.ppc64le.rpm
RedHat7ppc64libvirt-nss< 4.5.0-36.el7libvirt-nss-4.5.0-36.el7.ppc64.rpm
RedHat7ppc64libvirt< 4.5.0-36.el7libvirt-4.5.0-36.el7.ppc64.rpm
RedHat7s390xlibvirt-daemon-driver-storage-logical< 4.5.0-36.el7libvirt-daemon-driver-storage-logical-4.5.0-36.el7.s390x.rpm
RedHat7s390xlibvirt-daemon-driver-nwfilter< 4.5.0-36.el7libvirt-daemon-driver-nwfilter-4.5.0-36.el7.s390x.rpm
RedHat7s390xlibvirt-daemon-driver-network< 4.5.0-36.el7libvirt-daemon-driver-network-4.5.0-36.el7.s390x.rpm
RedHat7i686libvirt-libs< 4.5.0-36.el7libvirt-libs-4.5.0-36.el7.i686.rpm
RedHat7ppc64libvirt-daemon-config-nwfilter< 4.5.0-36.el7libvirt-daemon-config-nwfilter-4.5.0-36.el7.ppc64.rpm
RedHat7ppc64lelibvirt-bash-completion< 4.5.0-36.el7libvirt-bash-completion-4.5.0-36.el7.ppc64le.rpm
RedHat7x86_64libvirt-bash-completion< 4.5.0-36.el7libvirt-bash-completion-4.5.0-36.el7.x86_64.rpm
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CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.004

Percentile

72.7%

JSON
Related for RHSA-2020:4000
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