HOMEVULNERABILITIESCVE-2019-19966
MEDIUM

CVE-2019-19966

CWE-416Published: December 25, 2019· Updated: Jun 17, 2026

4.6
CVSS v3.1

Official Description

In the Linux kernel before 5.1.6, there is a use-after-free in cpia2_exit() in drivers/media/usb/cpia2/cpia2_v4l.c that will cause denial of service, aka CID-dea37a972655.

NVD Source

Technical Analysis

CVE-2019-19966 requires local access, meaning attackers must already have a foothold on the target system.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 4.6.

From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorPhysical
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

Debian1 product(s)
debian linux
Linux1 product(s)
linux kernel
netapp10 product(s)
active iq unified managercloud backupdata availability servicese-series santricity os controllerfas\/aff baseboard management controllerhci baseboard management controllersolidfire \& hci management nodesteelstore cloud integrated storageaff baseboard management controllersolidfire baseboard management controller
openSUSE1 product(s)
leap
Source: NVD CPE · 13 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (10)

Quick Facts

CVE IDCVE-2019-19966
CVSS Score4.6 / 10
SeverityMEDIUM
WeaknessCWE-416
CISA KEVNo
Affected4 vendor(s)
PublishedDec 25, 2019

Related CVEs (CWE-416)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2019-19966 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.