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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-4028 Detail

Description

A flaw in the Linux kernel's implementation of RDMA communications manager listener code allowed an attacker with local access to setup a socket to listen on a high port allowing for a list element to be used after free. Given the ability to execute code, a local attacker could leverage this use-after-free to crash the system or possibly escalate privileges on the system.


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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Hyperlink Resource
https://access.redhat.com/security/cve/CVE-2021-4028 Third Party Advisory 
https://access.redhat.com/security/cve/CVE-2021-4028 Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=2027201 Issue Tracking  Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=2027201 Issue Tracking  Third Party Advisory 
https://bugzilla.suse.com/show_bug.cgi?id=1193167#c0 Issue Tracking  Patch  Third Party Advisory 
https://bugzilla.suse.com/show_bug.cgi?id=1193167#c0 Issue Tracking  Patch  Third Party Advisory 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bc0bdc5afaa74 Mailing List  Patch  Vendor Advisory 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bc0bdc5afaa74 Mailing List  Patch  Vendor Advisory 
https://lkml.org/lkml/2021/10/4/697 Mailing List  Patch  Vendor Advisory 
https://lkml.org/lkml/2021/10/4/697 Mailing List  Patch  Vendor Advisory 
https://security.netapp.com/advisory/ntap-20221228-0002/ Third Party Advisory 
https://security.netapp.com/advisory/ntap-20221228-0002/ Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free cwe source acceptance level NIST   Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-4028
NVD Published Date:
08/24/2022
NVD Last Modified:
11/21/2024
Source:
Red Hat, Inc.