CVE-2019-20806
Published May 27, 2020 · Updated Oct 23, 2026
Original summary
Normalized public record · Updated Oct 23, 2026
An issue was discovered in the Linux kernel before 5.2. There is a NULL pointer dereference in tw5864_handle_frame() in drivers/media/pci/tw5864/tw5864-video.c, which may cause denial of service, aka CID-2e7682ebfc75.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
An issue was discovered in the Linux kernel before 5.2. There is a NULL pointer dereference in tw5864_handle_frame() in drivers/media/pci/tw5864/tw5864-video.c, which may cause denial of service, aka CID-2e7682ebfc75.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- LOW
- Confidence
- Not available
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- cdn.kernel.org ↗
- Patch commit ↗
- Patch commit ↗
- [debian-lts-announce] 20200610 [SECURITY] [DLA 2242-1] linux-4.9 security update ↗
- DSA-4698 ↗
- openSUSE-SU-2020:0801 ↗
- security.netapp.com ↗
Record history
Published May 27, 2020 · Last refreshed Oct 23, 2026