Red Hat Enterprise Linux 7: RHSA-2020:2894 Critical Dbus DoS Vulnerability
red hat
July 13, 2020
An update for dbus is now available for Red Hat Enterprise Linux 7
Solution
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
For the update to take effect, all running instances of dbus-daemon and all
running applications using the libdbus library must be restarted, or the
system rebooted.
Summary
D-Bus is a system for sending messages between applications. It is used
both for the system-wide message bus service, and as a
per-user-login-session messaging facility.
Security Fix(es):
* dbus: denial of service via file descriptor leak (CVE-2020-12049)
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.
Topics Covered
References
https://access.redhat.com/security/cve/CVE-2020-12049 https://access.redhat.com/security/updates/classification/#important
Package List
Red Hat Enterprise Linux Client (v. 7):
Source:
dbus-1.10.24-14.el7_8.src.rpm
x86_64:
dbus-1.10.24-14.el7_8.x86_64.rpm
dbus-debuginfo-1.10.24-14.el7_8.i686.rpm
dbus-debuginfo-1.10.24-14.el7_8.x86_64.rpm
dbus-libs-1.10.24-14.el7_8.i686.rpm
dbus-libs-1.10.24-14.el7_8.x86_64.rpm
dbus-x11-1.10.24-14.el7_8.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
noarch:
dbus-doc-1.10.24-14.el7_8.noarch.rpm
x86_64:
dbus-debuginfo-1.10.24-14.el7_8.i686.rpm
dbus-debuginfo-1.10.24-14.el7_8.x86_64.rpm
dbus-devel-1.10.24-14.el7_8.i686.rpm
dbus-devel-1.10.24-14.el7_8.x86_64.rpm
dbus-tests-1.10.24-14.el7_8.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
dbus-1.10.24-14.el7_8.src.rpm
x86_64:
dbus-1.10.24-14.el7_8.x86_64.rpm
dbus-debuginfo-1.10.24-14.el7_8.i686.rpm
dbus-debuginfo-1.10.24-14.el7_8.x86_64.rpm
dbus-libs-1.10.24-14.el7_8.i686.rpm
dbus-libs-1.10.24-14.el7_8.x86_64.rpm
dbus-x11-1.10.24-14.el7_8.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
noarch:
dbus-doc-1.10.24-14.el7_8.noarch.rpm
x86_64:
dbus-debuginfo-1.10.24-14.el7_8.i686.rpm
dbus-debuginfo-1.10.24-14.el7_8.x86_64.rpm
dbus-devel-1.10.24-14.el7_8.i686.rpm
dbus-devel-1.10.24-14.el7_8.x86_64.rpm
dbus-tests-1.10.24-14.el7_8.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
Read the Full Advisory
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Advisory ID: RHSA-2020:2894-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2894
Issue date: 2020-07-13
Topic
An update for dbus is now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.
Topics Covered
Relevant Releases Architectures
Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch, x86_64
Bugs Fixed
1849041 - CVE-2020-12049 dbus: denial of service via file descriptor leak
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