Executive Summary

Informations
Name CVE-2020-29369 First vendor Publication 2020-11-28
Vendor Cve Last vendor Modification 2021-02-19

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 7
Base Score 7 Environmental Score 7
impact SubScore 5.9 Temporal Score 7
Exploitabality Sub Score 1
 
Attack Vector Local Attack Complexity High
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:M/Au:N/C:C/I:C/A:C)
Cvss Base Score 6.9 Attack Range Local
Cvss Impact Score 10 Attack Complexity Medium
Cvss Expoit Score 3.4 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

An issue was discovered in mm/mmap.c in the Linux kernel before 5.7.11. There is a race condition between certain expand functions (expand_downwards and expand_upwards) and page-table free operations from an munmap call, aka CID-246c320a8cfe.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29369

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-362 Race Condition

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 3340

Sources (Detail)

Source Url
CONFIRM https://security.netapp.com/advisory/ntap-20210115-0001/
MISC https://bugs.chromium.org/p/project-zero/issues/detail?id=2056
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.11
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id...
MLIST http://www.openwall.com/lists/oss-security/2021/02/10/6
http://www.openwall.com/lists/oss-security/2021/02/19/8

Alert History

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Date Informations
2021-02-20 05:22:48
  • Multiple Updates
2021-02-11 00:22:53
  • Multiple Updates
2021-01-15 17:22:53
  • Multiple Updates
2021-01-13 01:31:23
  • Multiple Updates
2020-12-15 01:29:33
  • Multiple Updates
2020-12-12 12:30:00
  • Multiple Updates
2020-12-08 21:24:21
  • Multiple Updates
2020-12-05 05:22:56
  • Multiple Updates
2020-12-03 00:22:57
  • Multiple Updates
2020-11-29 01:30:46
  • Multiple Updates
2020-11-29 01:29:08
  • Multiple Updates
2020-11-29 00:22:46
  • Multiple Updates
2020-11-28 12:28:59
  • First insertion