6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:P/A:P
0.004 Low
EPSS
Percentile
72.4%
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.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | linux | < 4.15.0-184.194 | UNKNOWN |
ubuntu | 20.04 | noarch | linux | < 5.4.0-117.132 | UNKNOWN |
ubuntu | 21.10 | noarch | linux | < 5.13.0-28.31 | UNKNOWN |
ubuntu | 16.04 | noarch | linux | < 4.4.0-239.273) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws | < 4.15.0-1133.143 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws | < 5.4.0-1078.84 | UNKNOWN |
ubuntu | 21.10 | noarch | linux-aws | < 5.13.0-1012.13 | UNKNOWN |
ubuntu | 14.04 | noarch | linux-aws | < 4.4.0-1117.123) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws | < 4.4.0-1155.170) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws-5.11 | < 5.11.0-1028.31~20.04.1 | UNKNOWN |
git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=32f8807a48ae55be0e76880cfe8607a18b5bb0df
launchpad.net/bugs/cve/CVE-2021-3772
nvd.nist.gov/vuln/detail/CVE-2021-3772
security-tracker.debian.org/tracker/CVE-2021-3772
ubuntu.com/security/notices/USN-5165-1
ubuntu.com/security/notices/USN-5265-1
ubuntu.com/security/notices/USN-5466-1
ubuntu.com/security/notices/USN-5467-1
ubuntu.com/security/notices/USN-6001-1
ubuntu.com/security/notices/USN-6013-1
ubuntu.com/security/notices/USN-6014-1
www.cve.org/CVERecord?id=CVE-2021-3772
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:P/A:P
0.004 Low
EPSS
Percentile
72.4%