Executive Summary

Informations
Name CVE-2019-18683 First vendor Publication 2019-11-04
Vendor Cve Last vendor Modification 2023-11-07

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 drivers/media/platform/vivid in the Linux kernel through 5.3.8. It is exploitable for privilege escalation on some Linux distributions where local users have /dev/video0 access, but only if the driver happens to be loaded. There are multiple race conditions during streaming stopping in this driver (part of the V4L2 subsystem). These issues are caused by wrong mutex locking in vivid_stop_generating_vid_cap(), vivid_stop_generating_vid_out(), sdr_cap_stop_streaming(), and the corresponding kthreads. At least one of these race conditions leads to a use-after-free.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18683

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-416 Use After Free
50 % CWE-362 Race Condition

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 1
Application 1
Application 1
Application 19
Application 1
Application 1
Application 1
Application 1
Os 1
Os 4
Os 1
Os 3353
Os 1

Sources (Detail)

https://lore.kernel.org/lkml/20191103221719.27118-1-alex.popov%40linux.com/
Source Url
BUGTRAQ https://seclists.org/bugtraq/2020/Jan/10
CONFIRM https://security.netapp.com/advisory/ntap-20191205-0001/
MISC http://packetstormsecurity.com/files/155890/Slackware-Security-Advisory-Slack...
https://www.openwall.com/lists/oss-security/2019/11/02/1
MLIST http://www.openwall.com/lists/oss-security/2019/11/05/1
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
SUSE http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
UBUNTU https://usn.ubuntu.com/4254-1/
https://usn.ubuntu.com/4254-2/
https://usn.ubuntu.com/4258-1/
https://usn.ubuntu.com/4284-1/
https://usn.ubuntu.com/4287-1/
https://usn.ubuntu.com/4287-2/

Alert History

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  • First insertion