High severity8.8NVD Advisory· Published Jul 9, 2021· Updated Jun 17, 2026
CVE-2021-3570
CVE-2021-3570
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
32- linuxptp/ptp4ldescription
- osv-coords30 versionspkg:rpm/opensuse/linuxptp&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/linuxptp&distro=openSUSE%20Leap%2015.3pkg:rpm/suse/linuxptp&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/linuxptp&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/linuxptp&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/linuxptp&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/linuxptp&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/linuxptp&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/linuxptp&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP2pkg:rpm/suse/linuxptp&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP3pkg:rpm/suse/linuxptp&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/linuxptp&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/linuxptp&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/linuxptp&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/linuxptp&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/linuxptp&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/linuxptp&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/linuxptp&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/linuxptp&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/linuxptp&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/linuxptp&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/linuxptp&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/linuxptp&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/linuxptp&distro=SUSE%20Manager%20Proxy%204.0pkg:rpm/suse/linuxptp&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.0pkg:rpm/suse/linuxptp&distro=SUSE%20Manager%20Server%204.0pkg:rpm/suse/linuxptp&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/linuxptp&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/linuxptp&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/linuxptp&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209
< 1.8+git65.g303b08c-lp152.4.3.1+ 29 more
- (no CPE)range: < 1.8+git65.g303b08c-lp152.4.3.1
- (no CPE)range: < 3.1.1-3.3.1
- (no CPE)range: < 1.4-15.3.1
- (no CPE)range: < 1.8+git65.g303b08c-3.3.1
- (no CPE)range: < 1.8+git65.g303b08c-3.3.1
- (no CPE)range: < 1.8+git65.g303b08c-3.3.1
- (no CPE)range: < 1.8+git65.g303b08c-3.3.1
- (no CPE)range: < 1.8+git65.g303b08c-3.3.1
- (no CPE)range: < 1.8+git65.g303b08c-3.3.1
- (no CPE)range: < 3.1.1-3.3.1
- (no CPE)range: < 1.4-15.3.1
- (no CPE)range: < 1.4-15.3.1
- (no CPE)range: < 1.4-15.3.1
- (no CPE)range: < 1.4-15.3.1
- (no CPE)range: < 1.8+git65.g303b08c-3.3.1
- (no CPE)range: < 1.8+git65.g303b08c-3.3.1
- (no CPE)range: < 1.8+git65.g303b08c-3.3.1
- (no CPE)range: < 1.8+git65.g303b08c-3.3.1
- (no CPE)range: < 1.4-15.3.1
- (no CPE)range: < 1.4-15.3.1
- (no CPE)range: < 1.8+git65.g303b08c-3.3.1
- (no CPE)range: < 1.8+git65.g303b08c-3.3.1
- (no CPE)range: < 1.8+git65.g303b08c-3.3.1
- (no CPE)range: < 1.8+git65.g303b08c-3.3.1
- (no CPE)range: < 1.8+git65.g303b08c-3.3.1
- (no CPE)range: < 1.8+git65.g303b08c-3.3.1
- (no CPE)range: < 1.4-15.3.1
- (no CPE)range: < 1.4-15.3.1
- (no CPE)range: < 1.4-15.3.1
- (no CPE)range: < 1.4-15.3.1
Patches
Vulnerability mechanics
References
5- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
- lists.debian.org/debian-lts-announce/2021/07/msg00025.htmlnvdThird Party Advisory
- www.debian.org/security/2021/dsa-4938nvdThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RHRUVSDP673LXJ5HGIPQPWPIYUPWYQA7/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUBKTRCMJ6VKS7DIBSZQB4ATSKVCJYXJ/nvd
News mentions
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