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centosCentOS ProjectCESA-2020:5040
HistoryNov 18, 2020 - 5:32 p.m.

libvirt security update

2020-11-1817:32:39
CentOS Project
lists.centos.org
125

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

6.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

14.2%

JSON

CentOS Errata and Security Advisory CESA-2020:5040

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: double free in qemuAgentGetInterfaces() in qemu_agent.c (CVE-2020-25637)

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.

Bug Fix(es):

  • libvirt destroying macvtap device of running VM after a failed incoming migration of another VM with same macvtap “target device” (BZ#1868549)

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2020-November/085965.html

Affected packages:
libvirt
libvirt-admin
libvirt-bash-completion
libvirt-client
libvirt-daemon
libvirt-daemon-config-network
libvirt-daemon-config-nwfilter
libvirt-daemon-driver-interface
libvirt-daemon-driver-lxc
libvirt-daemon-driver-network
libvirt-daemon-driver-nodedev
libvirt-daemon-driver-nwfilter
libvirt-daemon-driver-qemu
libvirt-daemon-driver-secret
libvirt-daemon-driver-storage
libvirt-daemon-driver-storage-core
libvirt-daemon-driver-storage-disk
libvirt-daemon-driver-storage-gluster
libvirt-daemon-driver-storage-iscsi
libvirt-daemon-driver-storage-logical
libvirt-daemon-driver-storage-mpath
libvirt-daemon-driver-storage-rbd
libvirt-daemon-driver-storage-scsi
libvirt-daemon-kvm
libvirt-daemon-lxc
libvirt-devel
libvirt-docs
libvirt-libs
libvirt-lock-sanlock
libvirt-login-shell
libvirt-nss

Upstream details at:
https://access.redhat.com/errata/RHSA-2020:5040

OSVersionArchitecturePackageVersionFilename
CentOS7x86_64libvirt< 4.5.0-36.el7_9.3libvirt-4.5.0-36.el7_9.3.x86_64.rpm
CentOS7x86_64libvirt-admin< 4.5.0-36.el7_9.3libvirt-admin-4.5.0-36.el7_9.3.x86_64.rpm
CentOS7x86_64libvirt-bash-completion< 4.5.0-36.el7_9.3libvirt-bash-completion-4.5.0-36.el7_9.3.x86_64.rpm
CentOS7i686libvirt-client< 4.5.0-36.el7_9.3libvirt-client-4.5.0-36.el7_9.3.i686.rpm
CentOS7x86_64libvirt-client< 4.5.0-36.el7_9.3libvirt-client-4.5.0-36.el7_9.3.x86_64.rpm
CentOS7x86_64libvirt-daemon< 4.5.0-36.el7_9.3libvirt-daemon-4.5.0-36.el7_9.3.x86_64.rpm
CentOS7x86_64libvirt-daemon-config-network< 4.5.0-36.el7_9.3libvirt-daemon-config-network-4.5.0-36.el7_9.3.x86_64.rpm
CentOS7x86_64libvirt-daemon-config-nwfilter< 4.5.0-36.el7_9.3libvirt-daemon-config-nwfilter-4.5.0-36.el7_9.3.x86_64.rpm
CentOS7x86_64libvirt-daemon-driver-interface< 4.5.0-36.el7_9.3libvirt-daemon-driver-interface-4.5.0-36.el7_9.3.x86_64.rpm
CentOS7x86_64libvirt-daemon-driver-lxc< 4.5.0-36.el7_9.3libvirt-daemon-driver-lxc-4.5.0-36.el7_9.3.x86_64.rpm
Rows per page:
1-10 of 351

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7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

6.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

14.2%

JSON
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