CVE-2021-3772
CVSS V2 Medium 5.8
CVSS V3 Medium 6.5
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.
Overview
- CVE ID
- CVE-2021-3772
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Modified
- Published Version
- 2022-03-02T23:15:09
- Last Modified Date
- 2023-02-12T23:42:47
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 5.15.0 | |
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 5.8
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 4.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- HIGH
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 2.2
- Impact Score
- 4.2
References
| Reference URL | Reference Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2022:1975 | |
| https://access.redhat.com/errata/RHSA-2022:1988 | |
| https://access.redhat.com/security/cve/CVE-2021-3772 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2000694 | Issue Tracking Patch Third Party Advisory |
| https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=32f8807a48ae55be0e76880cfe8607a18b5bb0df | Mailing List Patch Vendor Advisory |
| https://github.com/torvalds/linux/commit/32f8807a48ae55be0e76880cfe8607a18b5bb0df | Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html | Mailing List Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20221007-0001/ | Third Party Advisory |
| https://ubuntu.com/security/CVE-2021-3772 | Patch Third Party Advisory |
| https://www.debian.org/security/2022/dsa-5096 | Third Party Advisory |
| https://www.oracle.com/security-alerts/cpujul2022.html | Patch Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-3772 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3772 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-08 06:20:15 | Added to TrackCVE | |||
| 2022-12-06 11:11:49 | 2022-03-02T23:15Z | 2022-03-02T23:15:09 | CVE Published Date | updated |
| 2022-12-06 11:11:49 | 2022-10-07T14:16:10 | CVE Modified Date | updated | |
| 2022-12-06 11:11:49 | Undergoing Analysis | Vulnerability Status | updated | |
| 2022-12-06 11:11:55 | References | updated | ||
| 2022-12-13 21:13:12 | 2022-12-13T20:33:52 | CVE Modified Date | updated | |
| 2022-12-13 21:13:12 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |
| 2023-02-02 23:13:16 | 2023-02-02T21:21:35 | CVE Modified Date | updated | |
| 2023-02-02 23:13:16 | Analyzed | Modified | Vulnerability Status | updated |
| 2023-02-02 23:13:17 | References | updated | ||
| 2023-02-13 00:13:56 | 2023-02-12T23:42:47 | CVE Modified Date | updated |