CVE-2021-3570: debian debian_linux
Vulnerability summary
CVE-2021-3570 is a high (CVSS 8.8) vulnerability in debian debian_linux. EPSS estimates a 2.96% chance of exploitation in the next 30 days, higher than 86.9% of scored vulnerabilities.
Timeline
- 09-07-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · Red hatEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
2.96%
Chance of exploitation in the next 30 days
Percentile
87%
Versus all other CVEs
30-day change
0.00 pp
From 2.96% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Suse28 products
- linuxptp&distro=HPE Helion OpenStack 8< 1.4-15.3.1
- linuxptp&distro=SUSE Enterprise Storage 6< 1.8+git65.g303b08c-3.3.1
- linuxptp&distro=SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS< 1.8+git65.g303b08c-3.3.1
- linuxptp&distro=SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS< 1.8+git65.g303b08c-3.3.1
- linuxptp&distro=SUSE Linux Enterprise High Performance Computing 15-ESPOS< 1.8+git65.g303b08c-3.3.1
Redhat7 products
- enterprise_linuxEOL6.0 | 7.0 | 8.0
- enterprise_linux_aus8.2 | 8.4
- enterprise_linux_eus8.1 | 8.2
- enterprise_linux_tus8.2 | 8.4
- linuxptp< 0:2.0-4.el8_2.1 | < 0:2.0-2.el7_9.1 | < 0:2.0-4.el8_1.1 | < 0:2.0-5.el8_4.1
Debian2 products
- linuxptp< 3.1-2.1 | < 1.9.2-1+deb10u1 | < 1.8-1+deb9u1
- debian_linuxEOL10.0
Opensuse2 products
- linuxptp&distro=openSUSE Leap 15.2< 1.8+git65.g303b08c-lp152.4.3.1
- linuxptp&distro=openSUSE Leap 15.3< 3.1.1-3.3.1
Fedoraproject1 product
- fedoraEOL33 | 34
Linuxptp_project1 product
- linuxptp< 1.5.1 | ≥ 1.6.0, < 1.6.1 | ≥ 1.7.0, < 1.7.1 | ≥ 1.8.0, < 1.8.1 | ≥ 1.9.0, < 1.9.3 | ≥ 2.0.0, < 2.0.1 | ≥ 3.0.0, < 3.1.1
Ubuntu1 product
- linuxptp< 1.6-1ubuntu0.1~esm1 | < 1.8-1ubuntu0.1 | < 1.9.2-1ubuntu0.1
7 vendors · 42 products
References
29 links- bugzilla.redhat.com/show_bug.cgi?id=1966240X Refsource MISCREPORTIssue TrackingPatchThird Party Advisory
- lists.debian.org/debian-lts-announce/2021/07/msg00025.htmlMailing ListX Refsource MLISTThird Party Advisory
Show all 29 references
- lists.opensuse.org/archives/…Advisory
- lists.opensuse.org/archives/…Advisory