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Red Hat Enterprise Linux 8.2: RHSA-2021-3900-01 Moderate: Systemd Update

red hat
Calendar Grey October 19, 2021
Dist Redhat Esm H88
Maintain operational stability through the recent balanced security patch for systemd on Red Hat Enterprise Linux 8.2 EUS.
An update for systemd is now available for Red Hat Enterprise Linux 8.2 Extended Update Support

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: Spoofing of XDG_SEAT allows for actions to be checked against "allow_active" instead of "allow_any" (CVE-2019-3842)
* systemd: Mishandles numerical usernames beginning with decimal digits or 0x followed by hexadecimal digits (CVE-2020-13776)
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 moderate security issue update red hat enterprise systemd service manager

References

https://access.redhat.com/security/cve/CVE-2019-3842 https://access.redhat.com/security/cve/CVE-2020-13776 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat Enterprise Linux BaseOS EUS (v. 8.2):
Source: systemd-239-31.el8_2.7.src.rpm
aarch64: systemd-239-31.el8_2.7.aarch64.rpm systemd-container-239-31.el8_2.7.aarch64.rpm systemd-container-debuginfo-239-31.el8_2.7.aarch64.rpm systemd-debuginfo-239-31.el8_2.7.aarch64.rpm systemd-debugsource-239-31.el8_2.7.aarch64.rpm systemd-devel-239-31.el8_2.7.aarch64.rpm systemd-journal-remote-239-31.el8_2.7.aarch64.rpm systemd-journal-remote-debuginfo-239-31.el8_2.7.aarch64.rpm systemd-libs-239-31.el8_2.7.aarch64.rpm systemd-libs-debuginfo-239-31.el8_2.7.aarch64.rpm systemd-pam-239-31.el8_2.7.aarch64.rpm systemd-pam-debuginfo-239-31.el8_2.7.aarch64.rpm systemd-tests-239-31.el8_2.7.aarch64.rpm systemd-tests-debuginfo-239-31.el8_2.7.aarch64.rpm systemd-udev-239-31.el8_2.7.aarch64.rpm systemd-udev-debuginfo-239-31.el8_2.7.aarch64.rpm
ppc64le: systemd-239-31.el8_2.7.ppc64le.rpm systemd-container-239-31.el8_2.7.ppc64le.rpm systemd-container-debuginfo-239-31.el8_2.7.ppc64le.rpm systemd-debuginfo-239-31.el8_2.7.ppc64le.rpm systemd-debugsource-239-31.el8_2.7.ppc64le.rpm systemd-devel-239-31.el8_2.7.ppc64le.rpm systemd-journal-remote-239-31.el8_2.7.ppc64le.rpm systemd-journal-remote-debuginfo-239-31.el8_2.7.ppc64le.rpm systemd-libs-239-31.el8_2.7.ppc64le.rpm

Read the Full Advisory


Advisory ID: RHSA-2021:3900-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3900
Issue date: 2021-10-19

Topic

An update for systemd is now available for Red Hat Enterprise Linux 8.2Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate security issue update red hat enterprise systemd service manager

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS EUS (v. 8.2) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

1668521 - CVE-2019-3842 systemd: Spoofing of XDG_SEAT allows for actions to be checked against "allow_active" instead of "allow_any"

1845534 - CVE-2020-13776 systemd: Mishandles numerical usernames beginning with decimal digits or 0x followed by hexadecimal digits

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