CVE-2021-3571

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2021-3571
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-07-09 11:15:00 UTC
Updated2023-11-07 03:38:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: CWE-125

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 33 All All All
Operating System Fedoraproject Fedora 34 All All All
Application Linuxptp Project Linuxptp All All All All
Operating System Redhat Enterprise Linux 8.0 All All All

References

ReferenceSourceLinkTags
[SECURITY] Fedora 33 Update: linuxptp-3.1.1-1.fc33 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
1966241 – (CVE-2021-3571) CVE-2021-3571 linuxptp: wrong length of one-step follow-up in transparent clock MISC bugzilla.redhat.com
[SECURITY] Fedora 33 Update: linuxptp-3.1.1-1.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 34 Update: linuxptp-3.1.1-1.fc34 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 34 Update: linuxptp-3.1.1-1.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 159487 Oracle Enterprise Linux Security Update for linuxptp (ELSA-2021-4321)
  • 180503 Debian Security Update for linuxptp (CVE-2021-3571)
  • 239849 Red Hat Update for linuxptp security (RHSA-2021:4321)
  • 281725 Fedora Security Update for linuxptp (FEDORA-2021-1b42c2f458)
  • 281726 Fedora Security Update for linuxptp (FEDORA-2021-a5b584004c)
  • 352838 Amazon Linux Security Advisory for linuxptp: ALAS2-2021-1705
  • 670715 EulerOS Security Update for linuxptp (EulerOS-SA-2021-2473)
  • 670922 EulerOS Security Update for linuxptp (EulerOS-SA-2021-2473)
  • 901271 Common Base Linux Mariner (CBL-Mariner) Security Update for linuxptp (7283)
  • 940039 AlmaLinux Security Update for linuxptp (ALSA-2021:4321)
  • 960095 Rocky Linux Security Update for linuxptp (RLSA-2021:4321)
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report