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ALSA-2021:4321 — Moderate: linuxptp security, bug fix, and enhancement update

Affected: AlmaLinux:8: linuxptp

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 AlmaLinux Release Notes linked from the References section.

bdu:2021-04469

EUVD-2026-21022

fkie_cve-2021-3571

A flaw was found in the ptp4l program of the linuxptp package. When ptp4l is operating on a little-endian architecture as a PTP transparent clock, a remote attacker could send a crafted one-step sync message to cause an information leak or crash. The highest threat from this vulnerability is to data confidentiality and system availability. This flaw affects linuxptp versions before 3.1.1 and before 2.0.1.

GHSA-3v9q-m45q-4cr7

gsd-2021-3571

msrc_CVE-2021-3571 — A flaw was found in the ptp4l program of the linuxptp package. When ptp4l is operating on a little-endian architecture…

msrc_CVE-2021-3571

OESA-2021-1267 — linuxptp security update

Affected: openEuler:20.03-LTS-SP1: linuxptp

Linuxptp is an implementation of the Precision Time Protocol (PTP) 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. Supporting legacy APIs and other platforms is not a goal. Security Fix(es): A flaw was found in the ptp4l program of the linuxptp package. When ptp4l is operating on a little-endian architecture as a PTP transparent clock, a remote attacker could send a crafted one-step sync message to cause an information leak or crash. The highest threat from this vulnerability is to data confidentiality and system availability. This flaw affects linuxptp versions before 3.1.1 and before 2.0.1.(CVE-2021-3571)

RHSA-2021:4321 — Red Hat Security Advisory: linuxptp security, bug fix, and enhancement update

linuxptp: wrong length of one-step follow-up in transparent clock

Withdrawn: UBUNTU-CVE-2021-3571

Withdrawn by the publisher.

Affected: Ubuntu:22.04:LTS: linuxptp

WID-SEC-W-2022-0571 — Red Hat Enterprise Linux: Mehrere Schwachstellen

Ein entfernter, anonymer, authentisierter oder lokaler Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um einen Cross-Site-Scripting-Angriff durchzuführen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand herbeizuführen, Sicherheitsmaßnahmen zu umgehen, beliebigen Code auszuführen, Dateien zu manipulieren und einen nicht spezifizierten Angriff durchzuführen.