Executive Summary

Informations
Name CVE-2019-20934 First vendor Publication 2020-11-28
Vendor Cve Last vendor Modification 2021-01-12

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H
Overall CVSS Score 5.3
Base Score 5.3 Environmental Score 5.3
impact SubScore 4.2 Temporal Score 5.3
Exploitabality Sub Score 1
 
Attack Vector Local Attack Complexity High
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact Low
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:M/Au:N/C:P/I:N/A:C)
Cvss Base Score 5.4 Attack Range Local
Cvss Impact Score 7.8 Attack Complexity Medium
Cvss Expoit Score 3.4 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

An issue was discovered in the Linux kernel before 5.2.6. On NUMA systems, the Linux fair scheduler has a use-after-free in show_numa_stats() because NUMA fault statistics are inappropriately freed, aka CID-16d51a590a8c.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20934

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-416 Use After Free

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 3324

Sources (Detail)

Source Url
MISC https://bugs.chromium.org/p/project-zero/issues/detail?id=1913
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.6
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id...

Alert History

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Date Informations
2021-01-12 17:22:46
  • Multiple Updates
2020-12-17 00:22:44
  • Multiple Updates
2020-12-12 12:26:33
  • Multiple Updates
2020-12-05 09:22:47
  • Multiple Updates
2020-11-30 21:23:14
  • Multiple Updates
2020-11-29 01:30:43
  • Multiple Updates
2020-11-29 01:25:54
  • Multiple Updates
2020-11-29 00:22:43
  • Multiple Updates
2020-11-28 12:25:45
  • First insertion