A linuxptp security, bug fix, and enhancement update has been released for Red Hat Enterprise Linux 8.
RHSA-2021:4321-03: Moderate: linuxptp security, bug fix, and enhancement update
=====================================================================
Red Hat Security Advisory
Synopsis: Moderate: linuxptp security, bug fix, and enhancement update
Advisory ID: RHSA-2021:4321-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4321
Issue date: 2021-11-09
CVE Names: CVE-2021-3571
=====================================================================
1. Summary:
An update for linuxptp 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 AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64
3. Description:
The linuxptp packages provide Precision Time Protocol (PTP) implementation
for Linux according to IEEE standard 1588 for Linux. The dual design goals
are to provide a robust implementation of the standard and to use the most
relevant and modern Application Programming Interfaces (API) offered by the
Linux kernel.
The following packages have been upgraded to a later upstream version:
linuxptp (3.1.1). (BZ#1895005)
Security Fix(es):
* linuxptp: wrong length of one-step follow-up in transparent clock
(CVE-2021-3571)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.5 Release Notes linked from the References section.
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/):
1895005 - Rebase linuxptp to 3.1
1966241 - CVE-2021-3571 linuxptp: wrong length of one-step follow-up in transparent clock
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
Source:
linuxptp-3.1.1-1.el8.src.rpm
aarch64:
linuxptp-3.1.1-1.el8.aarch64.rpm
linuxptp-debuginfo-3.1.1-1.el8.aarch64.rpm
linuxptp-debugsource-3.1.1-1.el8.aarch64.rpm
ppc64le:
linuxptp-3.1.1-1.el8.ppc64le.rpm
linuxptp-debuginfo-3.1.1-1.el8.ppc64le.rpm
linuxptp-debugsource-3.1.1-1.el8.ppc64le.rpm
s390x:
linuxptp-3.1.1-1.el8.s390x.rpm
linuxptp-debuginfo-3.1.1-1.el8.s390x.rpm
linuxptp-debugsource-3.1.1-1.el8.s390x.rpm
x86_64:
linuxptp-3.1.1-1.el8.x86_64.rpm
linuxptp-debuginfo-3.1.1-1.el8.x86_64.rpm
linuxptp-debugsource-3.1.1-1.el8.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-2021-3571
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/
8. Contact:
The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
