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CVE-2021-3571

Status Candidate

Overview

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.

Related Files

Red Hat Security Advisory 2021-4321-03
Posted Nov 10, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-4321-03 - The linuxptp packages provide Precision Time Protocol 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 offered by the Linux kernel.

tags | advisory, kernel, protocol
systems | linux, redhat
advisories | CVE-2021-3571
SHA-256 | 799ab715c64ae9bb88b60a368cd19bd9e423ecb8e1580f45295e7e968b043008
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