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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Moderate: systemd security and bug fix update
Advisory ID:       RHSA-2023:3837-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:3837
Issue date:        2023-06-27
CVE Names:         CVE-2023-26604 
=====================================================================

1. Summary:

An update for systemd is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

3. Description:

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: privilege escalation via the less pager (CVE-2023-26604)

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):

* systemd-pstore crashes when attempting to move standalone files out of
/sys/fs/pstore (BZ#2190153)

4. 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

5. Bugs fixed (https://bugzilla.redhat.com/):

2175611 - CVE-2023-26604 systemd: privilege escalation via the less pager
2190153 - systemd-pstore crashes when attempting to move standalone files out of /sys/fs/pstore [rhel-8.8.0.z]

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
systemd-239-74.el8_8.2.src.rpm

aarch64:
systemd-239-74.el8_8.2.aarch64.rpm
systemd-container-239-74.el8_8.2.aarch64.rpm
systemd-container-debuginfo-239-74.el8_8.2.aarch64.rpm
systemd-debuginfo-239-74.el8_8.2.aarch64.rpm
systemd-debugsource-239-74.el8_8.2.aarch64.rpm
systemd-devel-239-74.el8_8.2.aarch64.rpm
systemd-journal-remote-239-74.el8_8.2.aarch64.rpm
systemd-journal-remote-debuginfo-239-74.el8_8.2.aarch64.rpm
systemd-libs-239-74.el8_8.2.aarch64.rpm
systemd-libs-debuginfo-239-74.el8_8.2.aarch64.rpm
systemd-pam-239-74.el8_8.2.aarch64.rpm
systemd-pam-debuginfo-239-74.el8_8.2.aarch64.rpm
systemd-tests-239-74.el8_8.2.aarch64.rpm
systemd-tests-debuginfo-239-74.el8_8.2.aarch64.rpm
systemd-udev-239-74.el8_8.2.aarch64.rpm
systemd-udev-debuginfo-239-74.el8_8.2.aarch64.rpm

ppc64le:
systemd-239-74.el8_8.2.ppc64le.rpm
systemd-container-239-74.el8_8.2.ppc64le.rpm
systemd-container-debuginfo-239-74.el8_8.2.ppc64le.rpm
systemd-debuginfo-239-74.el8_8.2.ppc64le.rpm
systemd-debugsource-239-74.el8_8.2.ppc64le.rpm
systemd-devel-239-74.el8_8.2.ppc64le.rpm
systemd-journal-remote-239-74.el8_8.2.ppc64le.rpm
systemd-journal-remote-debuginfo-239-74.el8_8.2.ppc64le.rpm
systemd-libs-239-74.el8_8.2.ppc64le.rpm
systemd-libs-debuginfo-239-74.el8_8.2.ppc64le.rpm
systemd-pam-239-74.el8_8.2.ppc64le.rpm
systemd-pam-debuginfo-239-74.el8_8.2.ppc64le.rpm
systemd-tests-239-74.el8_8.2.ppc64le.rpm
systemd-tests-debuginfo-239-74.el8_8.2.ppc64le.rpm
systemd-udev-239-74.el8_8.2.ppc64le.rpm
systemd-udev-debuginfo-239-74.el8_8.2.ppc64le.rpm

s390x:
systemd-239-74.el8_8.2.s390x.rpm
systemd-container-239-74.el8_8.2.s390x.rpm
systemd-container-debuginfo-239-74.el8_8.2.s390x.rpm
systemd-debuginfo-239-74.el8_8.2.s390x.rpm
systemd-debugsource-239-74.el8_8.2.s390x.rpm
systemd-devel-239-74.el8_8.2.s390x.rpm
systemd-journal-remote-239-74.el8_8.2.s390x.rpm
systemd-journal-remote-debuginfo-239-74.el8_8.2.s390x.rpm
systemd-libs-239-74.el8_8.2.s390x.rpm
systemd-libs-debuginfo-239-74.el8_8.2.s390x.rpm
systemd-pam-239-74.el8_8.2.s390x.rpm
systemd-pam-debuginfo-239-74.el8_8.2.s390x.rpm
systemd-tests-239-74.el8_8.2.s390x.rpm
systemd-tests-debuginfo-239-74.el8_8.2.s390x.rpm
systemd-udev-239-74.el8_8.2.s390x.rpm
systemd-udev-debuginfo-239-74.el8_8.2.s390x.rpm

x86_64:
systemd-239-74.el8_8.2.i686.rpm
systemd-239-74.el8_8.2.x86_64.rpm
systemd-container-239-74.el8_8.2.i686.rpm
systemd-container-239-74.el8_8.2.x86_64.rpm
systemd-container-debuginfo-239-74.el8_8.2.i686.rpm
systemd-container-debuginfo-239-74.el8_8.2.x86_64.rpm
systemd-debuginfo-239-74.el8_8.2.i686.rpm
systemd-debuginfo-239-74.el8_8.2.x86_64.rpm
systemd-debugsource-239-74.el8_8.2.i686.rpm
systemd-debugsource-239-74.el8_8.2.x86_64.rpm
systemd-devel-239-74.el8_8.2.i686.rpm
systemd-devel-239-74.el8_8.2.x86_64.rpm
systemd-journal-remote-239-74.el8_8.2.x86_64.rpm
systemd-journal-remote-debuginfo-239-74.el8_8.2.i686.rpm
systemd-journal-remote-debuginfo-239-74.el8_8.2.x86_64.rpm
systemd-libs-239-74.el8_8.2.i686.rpm
systemd-libs-239-74.el8_8.2.x86_64.rpm
systemd-libs-debuginfo-239-74.el8_8.2.i686.rpm
systemd-libs-debuginfo-239-74.el8_8.2.x86_64.rpm
systemd-pam-239-74.el8_8.2.x86_64.rpm
systemd-pam-debuginfo-239-74.el8_8.2.i686.rpm
systemd-pam-debuginfo-239-74.el8_8.2.x86_64.rpm
systemd-tests-239-74.el8_8.2.x86_64.rpm
systemd-tests-debuginfo-239-74.el8_8.2.i686.rpm
systemd-tests-debuginfo-239-74.el8_8.2.x86_64.rpm
systemd-udev-239-74.el8_8.2.x86_64.rpm
systemd-udev-debuginfo-239-74.el8_8.2.i686.rpm
systemd-udev-debuginfo-239-74.el8_8.2.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2023-26604
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2023 Red Hat, Inc.
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