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Crucial Notice: Red Hat Enterprise Linux 8.2 RHSA-2021-2657-01 for linuxptp

red hat
Calendar Grey July 6, 2021
Dist Redhat Esm H88
A new version of linuxptp has been released for Red Hat Enterprise Linux 8.2, classified as High Priority, resolving significant security vulnerabilities.
An update for linuxptp 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 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.
Security Fix(es):
* linuxptp: missing length check of forwarded messages (CVE-2021-3570)
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 security issue buffer overflow Red Hat Enterprise Linux important update linuxptp

References

https://access.redhat.com/security/cve/CVE-2021-3570 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AppStream EUS (v. 8.2):
Source: linuxptp-2.0-4.el8_2.1.src.rpm
aarch64: linuxptp-2.0-4.el8_2.1.aarch64.rpm linuxptp-debuginfo-2.0-4.el8_2.1.aarch64.rpm linuxptp-debugsource-2.0-4.el8_2.1.aarch64.rpm
ppc64le: linuxptp-2.0-4.el8_2.1.ppc64le.rpm linuxptp-debuginfo-2.0-4.el8_2.1.ppc64le.rpm linuxptp-debugsource-2.0-4.el8_2.1.ppc64le.rpm
s390x: linuxptp-2.0-4.el8_2.1.s390x.rpm linuxptp-debuginfo-2.0-4.el8_2.1.s390x.rpm linuxptp-debugsource-2.0-4.el8_2.1.s390x.rpm
x86_64: linuxptp-2.0-4.el8_2.1.x86_64.rpm linuxptp-debuginfo-2.0-4.el8_2.1.x86_64.rpm linuxptp-debugsource-2.0-4.el8_2.1.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/


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:2657-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2657
Issue date: 2021-07-06

Topic

An update for linuxptp 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 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 security issue buffer overflow Red Hat Enterprise Linux important update linuxptp

Relevant Releases Architectures

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

Bugs Fixed

1966240 - CVE-2021-3570 linuxptp: missing length check of forwarded messages

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