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National Vulnerability Database

National Vulnerability Database

NVD

  1. Vulnerabilities

CVE-2020-7463 Detail

Current Description

In FreeBSD 12.1-STABLE before r364644, 11.4-STABLE before r364651, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, improper handling in the kernel causes a use-after-free bug by sending large user messages from multiple threads on the same SCTP socket. The use-after-free situation may result in unintended kernel behaviour including a kernel panic.


View Analysis Description

Severity

 


CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  5.5 MEDIUM
Vector:  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
http://seclists.org/fulldisclosure/2021/Apr/49 Mailing List  Third Party Advisory 
http://seclists.org/fulldisclosure/2021/Apr/50 Mailing List  Third Party Advisory 
http://seclists.org/fulldisclosure/2021/Apr/57 Mailing List  Third Party Advisory 
http://seclists.org/fulldisclosure/2021/Apr/58 Mailing List  Third Party Advisory 
http://seclists.org/fulldisclosure/2021/Apr/59 Mailing List  Third Party Advisory 
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:25.sctp.asc Vendor Advisory 
https://support.apple.com/kb/HT212317 Third Party Advisory 
https://support.apple.com/kb/HT212318 Third Party Advisory 
https://support.apple.com/kb/HT212319 Third Party Advisory 
https://support.apple.com/kb/HT212321 Third Party Advisory 
https://support.apple.com/kb/HT212323 Third Party Advisory 
https://support.apple.com/kb/HT212324 Third Party Advisory 
https://support.apple.com/kb/HT212325 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free cwe source acceptance level NIST  

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Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-7463
NVD Published Date:
03/26/2021
NVD Last Modified:
04/22/2022
Source:
FreeBSD