CVE-2021-3772: debian debian_linux

Modified

AliasesUBUNTU-CVE-2021-3772DEBIAN-CVE-2021-3772

Published 02-03-2022Last modified 03-08-2024

Vulnerability summary

CVE-2021-3772 is a medium (CVSS 6.5) vulnerability in debian debian_linux. EPSS estimates a 1.24% chance of exploitation in the next 30 days, higher than 69.1% of scored vulnerabilities.

Priority

Routine

Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?

CVSS score

6.5/10

010

Medium · v3.1 (NVD)

EPSS score

1.24%

0%100%

Low · 0.00 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits0No public exploits recorded

Timeline

02-03-2022
PublishedVulnerability first disclosed.
03-08-2024
Last modifiedVulnerability information updated.

Description

A flaw was found in the Linux SCTP stack. A blind attacker may be able to kill an existing SCTP association through invalid chunks if the attacker knows the IP-addresses and port numbers being used and the attacker can send packets with spoofed IP addresses.

CVSS metrics

4 scores · 3 sources · 2 versions

v3.16.5v2.05.8

EPSS trend

Probability

1.24%

Chance of exploitation in the next 30 days

Percentile

69%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.24% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

CWE-354Improper Validation of Integrity Check ValueThe product does not validate or incorrectly validates the integrity check values or "checksums" of a message.

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu71 products

linuxAll versions (No fix recorded) | < 4.4.0-239.273 | < 4.15.0-184.194 | < 5.4.0-117.132
linux-aws< 4.4.0-1117.123 | < 4.4.0-1155.170 | < 4.15.0-1133.143 | < 5.4.0-1078.84
linux-aws-5.0All versions (No fix recorded)
linux-aws-5.11< 5.11.0-1028.31~20.04.1
linux-aws-5.13< 5.13.0-1012.13~20.04.1

linux-aws-5.3All versions (No fix recorded)
linux-aws-5.4< 5.4.0-1078.84~18.04.1
linux-aws-5.8All versions (No fix recorded)
linux-aws-fips< 4.15.0-2072.76 | All versions (No fix recorded) | < 5.4.0-1078.84+fips1
linux-aws-hwe< 4.15.0-1133.143~16.04.1
linux-azure< 4.15.0-1142.156~14.04.1 | < 4.15.0-1142.156~16.04.1 | All versions (No fix recorded) | < 5.4.0-1083.87
linux-azure-4.15< 4.15.0-1142.156
linux-azure-5.11< 5.11.0-1028.31~20.04.2
linux-azure-5.13< 5.13.0-1013.15~20.04.1
linux-azure-5.3All versions (No fix recorded)
linux-azure-5.4< 5.4.0-1083.87~18.04.1
linux-azure-5.8All versions (No fix recorded)
linux-azure-edgeAll versions (No fix recorded)
linux-azure-fde-5.15< 5.15.0-1114.123~20.04.1
linux-azure-fips< 4.15.0-2053.58 | All versions (No fix recorded) | < 5.4.0-1083.87+fips1
linux-bluefield< 5.4.0-1040.44
linux-dell300x< 4.15.0-1047.52
linux-fips< 4.4.0-1088.95 | All versions (No fix recorded) | < 4.15.0-1090.100 | < 5.4.0-1054.61
linux-gcp< 4.15.0-1127.142~16.04.1 | All versions (No fix recorded) | < 5.4.0-1078.84
linux-gcp-4.15< 4.15.0-1127.142
linux-gcp-5.11< 5.11.0-1029.33~20.04.3
linux-gcp-5.13< 5.13.0-1013.16~20.04.1
linux-gcp-5.3All versions (No fix recorded)
linux-gcp-5.4< 5.4.0-1078.84~18.04.1
linux-gcp-5.8All versions (No fix recorded)
linux-gcp-edgeAll versions (No fix recorded)
linux-gcp-fips< 4.15.0-2037.41 | All versions (No fix recorded) | < 5.4.0-1078.84+fips1
linux-gke< 5.4.0-1074.79
linux-gke-4.15All versions (No fix recorded)
linux-gke-5.4< 5.4.0-1074.79~18.04.1
linux-gkeop< 5.4.0-1046.48
linux-gkeop-5.4< 5.4.0-1046.48~18.04.1
linux-hwe< 4.15.0-184.194~16.04.1 | All versions (No fix recorded)
linux-hwe-5.11All versions (No fix recorded)
linux-hwe-5.13< 5.13.0-28.31~20.04.1
linux-hwe-5.4< 5.4.0-117.132~18.04.1
linux-hwe-5.8All versions (No fix recorded)
linux-hwe-edgeAll versions (No fix recorded)
linux-ibm< 5.4.0-1026.29
linux-ibm-5.4< 5.4.0-1028.32~18.04.1
linux-intel-5.13All versions (No fix recorded)
linux-intel-iot-realtimeAll versions (No fix recorded)
linux-iot< 5.4.0-1004.6
linux-kvm< 4.4.0-1118.128 | < 4.15.0-1119.123 | < 5.4.0-1068.72
linux-lts-xenial< 4.4.0-239.273~14.04.1
linux-oemAll versions (No fix recorded)
linux-oem-5.10All versions (No fix recorded)
linux-oem-5.13< 5.13.0-1029.36
linux-oem-5.14< 5.14.0-1008.8
linux-oem-5.6All versions (No fix recorded)
linux-oracle< 4.15.0-1098.108~16.04.1 | < 4.15.0-1098.108 | < 5.4.0-1076.83
linux-oracle-5.0All versions (No fix recorded)
linux-oracle-5.11< 5.11.0-1028.31~20.04.1
linux-oracle-5.13< 5.13.0-1016.20~20.04.1
linux-oracle-5.3All versions (No fix recorded)
linux-oracle-5.4< 5.4.0-1076.83~18.04.1
linux-oracle-5.8All versions (No fix recorded)
linux-raspi< 5.4.0-1065.75
linux-raspi-5.4< 5.4.0-1065.75~18.04.1
linux-raspi-realtimeAll versions (No fix recorded)
linux-raspi2< 4.15.0-1114.122 | All versions (No fix recorded)
linux-realtimeAll versions (No fix recorded)
linux-riscvAll versions (No fix recorded)
linux-riscv-5.11All versions (No fix recorded)
linux-riscv-5.8All versions (No fix recorded)
linux-snapdragon< 4.15.0-1132.142

Show all 71

Netapp12 products

e-series_santricity_os_controller11.0 | 11.0.0 | 11.20 | 11.25 | 11.30 | 11.30.5r3 | 11.40 | 11.40.3r2 | 11.40.5 | 11.50.1 | 11.50.2 | 11.50.2:p1 | 11.60 | 11.60.0 | 11.60.1 | 11.60.3 | 11.70.1 | 11.70.2
h300s_firmwarena
h410c_firmwarena
h410s_firmwarena
h500s_firmwarena