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CVE-2021-3570

A flaw was found in the ptp4l program of the linuxptp package.

Impact

A flaw was found in the ptp4l program of the linuxptp package. A missing length check when forwarding a PTP message between ports allows a remote attacker to cause an information leak, crash, or potentially remote code execution. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. This flaw affects linuxptp versions before 3.1.1, before 2.0.1, before 1.9.3, before 1.8.1, before 1.7.1, before 1.6.1 and before 1.5.1.

Affected products

VendorProductAffected versions
Linuxptp ProjectLinuxptp
before 1.5.1
from 1.6.0 before 1.6.1
from 1.7.0 before 1.7.1
from 1.8.0 before 1.8.1
from 1.9.0 before 1.9.3
from 2.0.0 before 2.0.1
RedhatEnterprise Linux
Versions 6.0, 7.0, 8.0
RedhatEnterprise Linux Aus
Versions 8.2, 8.4
RedhatEnterprise Linux Eus
Versions 8.1, 8.2
RedhatEnterprise Linux Tus
Versions 8.2, 8.4
FedoraprojectFedora
Versions 33, 34
DebianDebian Linux
Version 10.0

Weakness classification

CWE-119CWE-787

References