Executive Summary

Informations
Name CVE-2020-12771 First vendor Publication 2020-05-09
Vendor Cve Last vendor Modification 2022-04-26

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 5.5
Base Score 5.5 Environmental Score 5.5
impact SubScore 3.6 Temporal Score 5.5
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact None
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:N/I:N/A:C)
Cvss Base Score 4.9 Attack Range Local
Cvss Impact Score 6.9 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

An issue was discovered in the Linux kernel through 5.6.11. btree_gc_coalesce in drivers/md/bcache/btree.c has a deadlock if a coalescing operation fails.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12771

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-667 Insufficient Locking

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 1
Application 1
Application 1
Application 1
Application 1
Application 1
Application 1
Os 4
Os 1
Os 3369
Os 2

Sources (Detail)

Source Url
CONFIRM https://lkml.org/lkml/2020/4/26/87
https://security.netapp.com/advisory/ntap-20200608-0001/
MISC https://www.oracle.com/security-alerts/cpuApr2021.html
MLIST https://lists.debian.org/debian-lts-announce/2020/08/msg00019.html
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
SUSE http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00071.html
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
UBUNTU https://usn.ubuntu.com/4462-1/
https://usn.ubuntu.com/4463-1/
https://usn.ubuntu.com/4465-1/
https://usn.ubuntu.com/4483-1/
https://usn.ubuntu.com/4485-1/

Alert History

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Date Informations
2022-04-26 21:23:43
  • Multiple Updates
2022-03-11 01:47:39
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2022-02-01 01:43:00
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2021-12-11 12:44:05
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2021-12-11 01:41:19
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2021-08-26 12:37:12
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2021-08-24 01:37:48
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2021-08-19 12:38:05
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2021-08-05 01:36:53
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2021-07-21 17:23:58
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2021-06-15 00:23:10
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2021-06-03 01:34:55
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2021-05-25 12:36:10
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2021-05-19 12:34:11
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2021-05-04 13:46:57
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2021-04-22 02:58:45
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2021-03-27 01:33:02
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2021-01-13 01:30:05
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2020-12-12 12:28:54
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2020-12-09 01:29:46
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2020-12-05 12:30:36
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2020-11-03 05:22:50
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2020-09-25 01:28:01
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2020-09-16 21:23:07
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2020-09-16 00:22:48
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2020-09-15 21:23:11
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2020-09-02 17:23:08
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2020-08-13 00:22:55
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2020-08-11 09:22:55
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2020-08-07 21:23:22
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2020-08-07 09:23:00
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2020-08-07 00:23:02
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2020-08-01 09:22:56
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2020-08-01 05:22:54
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2020-07-29 21:23:13
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2020-07-27 00:22:40
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2020-06-08 17:22:52
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2020-05-24 01:31:15
  • Multiple Updates
2020-05-23 02:35:50
  • First insertion