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.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2941-1 linux-4.19 security update
Debian DSA Debian DSA DSA-5096-1 linux security update
EUVD EUVD EUVD-2021-27041 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.
Ubuntu USN Ubuntu USN USN-5165-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-5265-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5466-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5467-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6001-1 Linux kernel (AWS) vulnerabilities
Ubuntu USN Ubuntu USN USN-6013-1 Linux kernel (AWS) vulnerabilities
Ubuntu USN Ubuntu USN USN-6014-1 Linux kernel vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Sat, 12 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00161}

epss

{'score': 0.00148}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-03T17:09:08.707Z

Reserved: 2021-09-06T00:00:00

Link: CVE-2021-3772

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-03-02T23:15:09.127

Modified: 2024-11-21T06:22:23.343

Link: CVE-2021-3772

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-09-08T06:38:00Z

Links: CVE-2021-3772 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses