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CVE-2021-3772

Published: Mar 2, 2022Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-354
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
1.2%
Top 35.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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 Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:NI:LA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-354

Affected Products

kerneln/a
linux kernellinux
On-premOS
Operating Systems
enterprise linuxredhat
On-premOS
Operating Systems / linux-distro
debian linuxdebian
On-premOS
Operating Systems / linux-distro
communications cloud native core binding support functionoracle
On-prem
Databases / relational
linuxoss-projectOperating Systemsaka the linux kernel
redhatcommercialUSOperating Systemsaka red hat
debianoss-projectGBOperating Systemsaka debian gnu/linux
oraclecommercialUSDatabasesaka oracle corp.
and 23 more affected products View all →

Exploitability

Official Patch Available

References

https://bugzilla.redhat.com/show_bug.cgi?id=2000694
bugzilla.redhat.com
https://ubuntu.com/security/CVE-2021-3772
ubuntu.com
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=32f8807a48ae55be0e76880cfe8607a18b5bb0df
git.kernel.org
and 24 more references View all →

Timeline

Published
Mar 2, 2022
Last Updated
Nov 21, 2024

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