Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2021-3501 First vendor Publication 2021-05-06
Vendor Cve Last vendor Modification 2021-06-18

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Overall CVSS Score 7.1
Base Score 7.1 Environmental Score 7.1
impact SubScore 5.2 Temporal Score 7.1
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:N/I:P/A:P)
Cvss Base Score 3.6 Attack Range Local
Cvss Impact Score 4.9 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A flaw was found in the Linux kernel in versions before 5.12. The value of internal.ndata, in the KVM API, is mapped to an array index, which can be updated by a user process at anytime which could lead to an out-of-bounds write. The highest threat from this vulnerability is to data integrity and system availability.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3501

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 3386
Os 1

Sources (Detail)

Source Url
CONFIRM https://security.netapp.com/advisory/ntap-20210618-0008/
MISC https://bugzilla.redhat.com/show_bug.cgi?id=1950136
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id...

Alert History

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Date Informations
2021-06-18 17:22:59
  • Multiple Updates
2021-06-05 01:44:35
  • Multiple Updates
2021-06-04 01:39:17
  • Multiple Updates
2021-06-03 01:40:14
  • Multiple Updates
2021-05-29 01:39:51
  • Multiple Updates
2021-05-25 12:41:18
  • Multiple Updates
2021-05-19 09:23:07
  • Multiple Updates
2021-05-14 21:23:11
  • Multiple Updates
2021-05-06 17:23:05
  • First insertion