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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
121

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

7.2 High

CVSS2

Access Vector

LOCAL

Access 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

0.0004 Low

EPSS

Percentile

13.3%

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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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

7.2 High

CVSS2

Access Vector

LOCAL

Access 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

0.0004 Low

EPSS

Percentile

13.3%

JSON
Related for CESA-2020:5040
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