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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2020-7463 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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

Weakness Enumeration

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

Known Affected Software Configurations Switch to CPE 2.2

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Change History

10 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-7463
NVD Published Date:
03/26/2021
NVD Last Modified:
11/21/2024
Source:
FreeBSD