CVE-2019-18683
mediumpriority · track · 38EPSS 0.010 · 62 %ileexploit · PoCDEEURUUSEPSS · scored 2026-10-23
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–7
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (2)
Public proof-of-concept and weaponised exploit code.
- Limesss/cve-2019-18683Limesss/cve-2019-18683PoC · poc_in_github
- sanjana123-cloud/CVE-2019-18683sanjana123-cloud/CVE-2019-18683PoC · poc_in_github
affected products (43)
Products and version ranges known to be affected.
- NetApp ActiveIQ Unified Manager for VMware vSphereall versionscert_bundDEcpe:/a:netapp:active_iq_unified_manager:for_vmware_vsphere
- broadcom fabric operating systemall versionsnvdUScpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-2770Linux Kernel: Schwachstelle ermöglicht PrivilegieneskalationDeutsch2019-11-04csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um seine Privilegien zu erhöhen.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (73)
External citations — patches, advisories, analysis.
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.htmlcnnvd
- http://www.openwall.com/lists/oss-security/2019/11/05/1cnnvd
- https://lists.debian.org/debian-lts-announce/2020/03/msg00001.htmlcnnvd
- https://lore.kernel.org/lkml/20191103221719.27118-1-alex.popov@linux.com/cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2019-18683cnnvd
- https://packetstormsecurity.com/files/155890/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.htmlcnnvd
- https://packetstormsecurity.com/files/156125/Ubuntu-Security-Notice-USN-4258-1.htmlcnnvd
- https://packetstormsecurity.com/files/156427/Ubuntu-Security-Notice-USN-4287-2.htmlcnnvd
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