Executive Summary

Informations
Name CVE-2020-12652 First vendor Publication 2020-05-05
Vendor Cve Last vendor Modification 2020-06-13

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 4.1
Base Score 4.1 Environmental Score 4.1
impact SubScore 3.6 Temporal Score 4.1
Exploitabality Sub Score 0.5
 
Attack Vector Local Attack Complexity High
Privileges Required High 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:M/Au:N/C:N/I:N/A:C)
Cvss Base Score 4.7 Attack Range Local
Cvss Impact Score 6.9 Attack Complexity Medium
Cvss Expoit Score 3.4 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

The __mptctl_ioctl function in drivers/message/fusion/mptctl.c in the Linux kernel before 5.4.14 allows local users to hold an incorrect lock during the ioctl operation and trigger a race condition, i.e., a "double fetch" vulnerability, aka CID-28d76df18f0a. NOTE: the vendor states "The security impact of this bug is not as bad as it could have been because these operations are all privileged and root already has enormous destructive power."

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12652

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-362 Race Condition

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 3362

Sources (Detail)

Source Url
CONFIRM https://security.netapp.com/advisory/ntap-20200608-0001/
DEBIAN https://www.debian.org/security/2020/dsa-4698
MISC https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.14
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=28...
https://github.com/torvalds/linux/commit/28d76df18f0ad5bcf5fa48510b225f0ed262...
MLIST https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
SUSE http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html

Alert History

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2020-12-12 12:28:52
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2020-05-24 01:31:14
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2020-05-23 02:35:40
  • First insertion