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Vulnerability record · CVE-2019-18683 · published 4 November 2019

CVE-2019-18683: Linux kernel race condition vulnerability

Linux · Linux Kernel

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.

7.0 CVSS 3.1 High EPSS 0.99% · top 39.1% CWE-362 · Race conditionCWE-416 · Use after free
7.0CVSS 3.1 base score, v2 6.9
0.99%EPSS exploitation probability, 30 days
NoNot in CISA KEV
18Affected product versions listed by NVD
28References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

18 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html Mailing ListThird Party Advisory
http://packetstormsecurity.com/files/155890/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html Third Party AdvisoryVDB Entry
http://www.openwall.com/lists/oss-security/2019/11/05/1 ExploitMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html Mailing ListThird Party Advisory
https://lore.kernel.org/lkml/20191103221719.27118-1-alex.popov%40linux.com/ Vendor Advisory
https://seclists.org/bugtraq/2020/Jan/10 Mailing ListPatchThird Party Advisory
https://security.netapp.com/advisory/ntap-20191205-0001/ Third Party Advisory
https://usn.ubuntu.com/4254-1/ Third Party Advisory
https://usn.ubuntu.com/4254-2/ Third Party Advisory
https://usn.ubuntu.com/4258-1/ Third Party Advisory
https://usn.ubuntu.com/4284-1/ Third Party Advisory
https://usn.ubuntu.com/4287-1/ Third Party Advisory
https://usn.ubuntu.com/4287-2/ Third Party Advisory
https://www.openwall.com/lists/oss-security/2019/11/02/1 ExploitMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html Mailing ListThird Party Advisory
http://packetstormsecurity.com/files/155890/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html Third Party AdvisoryVDB Entry
http://www.openwall.com/lists/oss-security/2019/11/05/1 ExploitMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html Mailing ListThird Party Advisory
https://lore.kernel.org/lkml/20191103221719.27118-1-alex.popov%40linux.com/ Vendor Advisory
https://seclists.org/bugtraq/2020/Jan/10 Mailing ListPatchThird Party Advisory
https://security.netapp.com/advisory/ntap-20191205-0001/ Third Party Advisory
https://usn.ubuntu.com/4254-1/ Third Party Advisory
https://usn.ubuntu.com/4254-2/ Third Party Advisory
https://usn.ubuntu.com/4258-1/ Third Party Advisory
https://usn.ubuntu.com/4284-1/ Third Party Advisory
https://usn.ubuntu.com/4287-1/ Third Party Advisory
https://usn.ubuntu.com/4287-2/ Third Party Advisory
https://www.openwall.com/lists/oss-security/2019/11/02/1 ExploitMailing ListThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2019-18683), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.