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RedHat: RHSA-2019-2805-01 Important: Systemd Input Validation Issue

red hat
Calendar Grey September 19, 2019
Dist Redhat Esm H88
Essential systemd patch for Fedora to address input sanitization vulnerabilities impacting PID 1 reliability and security.
An update for systemd is now available for Red Hat Enterprise Linux 7.3 Advanced Update Support, Red Hat Enterprise Linux 7.3 Telco Extended Update Support, and Red Hat Enterprise ...

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

Summary

The systemd packages contain systemd, a system and service manager for Linux, compatible with the SysV and LSB init scripts. It provides aggressive parallelism capabilities, uses socket and D-Bus activation for starting services, offers on-demand starting of daemons, and keeps track of processes using Linux cgroups. In addition, it supports snapshotting and restoring of the system state, maintains mount and automount points, and implements an elaborate transactional dependency-based service control logic. It can also work as a drop-in replacement for sysvinit.
Security Fix(es):
* systemd: Insufficient input validation in bus_process_object() resulting in PID 1 crash (CVE-2019-6454)
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%20covered

Topics Covered

security advisory red hat bug fix important input validation systemd PID 1 crash

References

https://access.redhat.com/security/cve/CVE-2019-6454 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Server AUS (v. 7.3):
Source: systemd-219-30.el7_3.14.src.rpm
x86_64: libgudev1-219-30.el7_3.14.i686.rpm libgudev1-219-30.el7_3.14.x86_64.rpm libgudev1-devel-219-30.el7_3.14.i686.rpm libgudev1-devel-219-30.el7_3.14.x86_64.rpm systemd-219-30.el7_3.14.x86_64.rpm systemd-debuginfo-219-30.el7_3.14.i686.rpm systemd-debuginfo-219-30.el7_3.14.x86_64.rpm systemd-devel-219-30.el7_3.14.i686.rpm systemd-devel-219-30.el7_3.14.x86_64.rpm systemd-libs-219-30.el7_3.14.i686.rpm systemd-libs-219-30.el7_3.14.x86_64.rpm systemd-python-219-30.el7_3.14.x86_64.rpm systemd-sysv-219-30.el7_3.14.x86_64.rpm
Red Hat Enterprise Linux Server E4S (v. 7.3):
Source: systemd-219-30.el7_3.14.src.rpm
ppc64le: libgudev1-219-30.el7_3.14.ppc64le.rpm libgudev1-devel-219-30.el7_3.14.ppc64le.rpm systemd-219-30.el7_3.14.ppc64le.rpm systemd-debuginfo-219-30.el7_3.14.ppc64le.rpm systemd-devel-219-30.el7_3.14.ppc64le.rpm systemd-libs-219-30.el7_3.14.ppc64le.rpm systemd-python-219-30.el7_3.14.ppc64le.rpm systemd-sysv-219-30.el7_3.14.ppc64le.rpm
x86_64: libgudev1-219-30.el7_3.14.i686.rpm libgudev1-219-30.el7_3.14.x86_64.rpm libgudev1-devel-219-30.el7_3.14.i686.rpm libgudev1-devel-219-30.el7_3.14.x86_64.rpm systemd-219-30.el7_3.14.x86_64.rpm systemd-debuginfo-219-30.el7_3.14.i686.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:2805-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2805
Issue date: 2019-09-17

Topic

An update for systemd is now available for Red Hat Enterprise Linux 7.3Advanced Update Support, Red Hat Enterprise Linux 7.3 Telco Extended UpdateSupport, and Red Hat Enterprise Linux 7.3 Update Services for SAPSolutions.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%20covered

Topics Covered

security advisory red hat bug fix important input validation systemd PID 1 crash

Relevant Releases Architectures

Red Hat Enterprise Linux Server AUS (v. 7.3) - x86_64

Red Hat Enterprise Linux Server E4S (v. 7.3) - ppc64le, x86_64

Red Hat Enterprise Linux Server Optional AUS (v. 7.3) - x86_64

Red Hat Enterprise Linux Server Optional E4S (v. 7.3) - ppc64le, x86_64

Red Hat Enterprise Linux Server Optional TUS (v. 7.3) - x86_64

Red Hat Enterprise Linux Server TUS (v. 7.3) - x86_64

Bugs Fixed

1667032 - CVE-2019-6454 systemd: Insufficient input validation in bus_process_object() resulting in PID 1 crash

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