Executive Summary

Informations
Name CVE-2021-3506 First vendor Publication 2021-04-19
Vendor Cve Last vendor Modification 2021-06-23

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/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 High
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:P/I:N/A:C)
Cvss Base Score 5.6 Attack Range Local
Cvss Impact Score 7.8 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

An out-of-bounds (OOB) memory access flaw was found in fs/f2fs/node.c in the f2fs module in the Linux kernel in versions before 5.12.0-rc4. A bounds check failure allows a local attacker to gain access to out-of-bounds memory leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3506

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-125 Out-of-bounds Read

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 3390

Sources (Detail)

Source Url
CONFIRM https://security.netapp.com/advisory/ntap-20210611-0007/
MISC https://bugzilla.redhat.com/show_bug.cgi?id=1944298
https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg2520013.html
https://www.openwall.com/lists/oss-security/2021/03/28/2
MLIST http://www.openwall.com/lists/oss-security/2021/05/08/1
https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html

Alert History

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Date Informations
2021-06-23 09:23:09
  • Multiple Updates
2021-06-11 17:23:06
  • Multiple Updates
2021-06-04 17:22:57
  • Multiple Updates
2021-06-03 21:23:19
  • Multiple Updates
2021-06-03 00:22:59
  • Multiple Updates
2021-06-02 17:22:54
  • Multiple Updates
2021-05-29 01:39:51
  • Multiple Updates
2021-05-25 12:41:18
  • Multiple Updates
2021-05-19 12:39:12
  • Multiple Updates
2021-05-08 13:22:54
  • Multiple Updates
2021-05-04 14:10:03
  • Multiple Updates
2021-05-04 13:23:28
  • Multiple Updates
2021-04-28 17:22:53
  • Multiple Updates
2021-04-20 09:22:54
  • Multiple Updates
2021-04-20 05:22:57
  • First insertion