Executive Summary

Informations
Name CVE-2021-20239 First vendor Publication 2021-05-28
Vendor Cve Last vendor Modification 2023-11-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Overall CVSS Score 3.3
Base Score 3.3 Environmental Score 3.3
impact SubScore 1.4 Temporal Score 3.3
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact Low
Integrity Impact None Availability Impact None
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:N)
Cvss Base Score 2.1 Attack Range Local
Cvss Impact Score 2.9 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 5.4.92 in the BPF protocol. This flaw allows an attacker with a local account to leak information about kernel internal addresses. The highest threat from this vulnerability is to confidentiality.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20239

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 1
Os 3364
Os 3

Sources (Detail)

Source Url
MISC https://bugzilla.redhat.com/show_bug.cgi?id=1923636

Alert History

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Date Informations
2024-03-12 13:12:27
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2024-02-02 02:21:04
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2024-02-01 12:22:32
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2023-12-29 02:12:15
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2023-11-22 02:11:46
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2023-11-07 21:34:51
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2023-09-05 13:15:25
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2023-09-05 01:22:07
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2023-09-02 13:14:09
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2023-09-02 01:22:26
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2023-08-12 13:20:00
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2023-08-12 01:21:38
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2023-08-11 13:12:35
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2023-08-11 01:22:19
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2023-08-06 13:10:41
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2023-08-06 01:21:24
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2023-08-04 13:11:04
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2023-08-04 01:21:44
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2023-07-14 13:11:05
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2023-07-14 01:21:34
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2023-06-06 13:03:42
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2023-03-29 02:13:27
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2023-03-28 12:21:49
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2023-01-25 01:59:50
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2022-10-11 13:03:31
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2022-10-11 01:21:22
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2022-09-09 01:58:57
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2022-08-05 21:27:38
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2022-03-11 01:54:08
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2022-02-01 01:48:16
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2021-12-11 12:49:24
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2021-12-11 01:46:12
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2021-08-26 12:41:39
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2021-08-19 12:42:33
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2021-06-03 00:22:48
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2021-06-02 21:23:09
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2021-05-29 05:22:45
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2021-05-28 17:22:49
  • First insertion