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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.1 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
redhatCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 60%
VendorProductVersion
linuxptp_projectlinuxptp
𝑥
< 2.0.1
linuxptp_projectlinuxptp
3.0 ≤
𝑥
< 3.1.1
redhatenterprise_linux
8.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linuxptp
bullseye
3.1-2.1
fixed
buster
not-affected
stretch
not-affected
bookworm
3.1.1-4
fixed
sid
4.2-1
fixed
trixie
4.2-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linuxptp
lunar
not-affected
kinetic
not-affected
jammy
not-affected
impish
not-affected
hirsute
ignored
groovy
ignored
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne