CVE-2021-3772

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 v3.0 6.5 MEDIUM
CVSS v2.0 5.8 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact HIGH

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:P

Exploitability : 8.6 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=32f8807a48ae55be0e76880cfe8607a18b5bb0df	Mailing List Patch Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2000694	Issue Tracking Patch Third Party Advisory
https://github.com/torvalds/linux/commit/32f8807a48ae55be0e76880cfe8607a18b5bb0df	Patch Third Party Advisory
https://ubuntu.com/security/CVE-2021-3772	Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html	Mailing List Third Party Advisory
https://www.debian.org/security/2022/dsa-5096	Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.html

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

Configuration 3 (hide)

OR	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:10.0:::::::*

Information

Published : 2022-03-02 23:15

Updated : 2022-07-25 18:16

NVD link : CVE-2021-3772

Mitre link : CVE-2021-3772

JSON object : View

Products Affected

redhat

enterprise_linux

linux

linux_kernel

debian

debian_linux

CWE

CWE-354

Improper Validation of Integrity Check Value

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