CVE-2019-20806

Aliases:UBUNTU-CVE-2019-20806DEBIAN-CVE-2019-20806
Advisory lineage Upstream: 0 Downstream: 15
Modified
Published: 27 May 2020, 12:00
Last modified:05 Aug 2024, 02:53

Vulnerability Summary

Overall Risk (default)
low
18/100
CVSS Score
4.4 MEDIUM
v3.1 (nvd)
EPSS Score
0.38% LOW
0% probability +0.27%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

27 May 2020, 12:00
Published
Vulnerability first disclosed
05 Aug 2024, 02:53
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
  • v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.38%• Percentile: 32%

Techniques & Countermeasures

  • CWE-476•NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • debian•linux

    < 5.2.6-1 | < 5.2.6-1 | < 5.2.6-1 | < 5.2.6-1

  • ubuntu•linux

    < 4.15.0-91.92

  • ubuntu•linux-aws

    < 4.15.0-1063.67

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-fips

    < 4.15.0-2018.18 | all

  • ubuntu•linux-aws-hwe

    < 4.15.0-1063.67~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1074.79~14.04.1 | < 4.15.0-1075.80 | all

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2006.7 | all

  • ubuntu•linux-bluefield

    all

  • ubuntu•linux-gcp

    < 4.15.0-1058.62 | all

  • ubuntu•linux-gcp-edge

    all

  • ubuntu•linux-gcp-fips

    all

  • ubuntu•linux-gke

    all

  • ubuntu•linux-gke-4.15

    < 4.15.0-1055.58

  • ubuntu•linux-gke-5.0

    < 5.0.0-1033.34

  • ubuntu•linux-hwe

    < 4.15.0-91.92~16.04.1 | < 5.3.0-26.28~18.04.1

  • ubuntu•linux-hwe-edge

    all | < 5.3.0-19.20~18.04.2

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    < 4.15.0-1056.57

  • ubuntu•linux-oem

    < 4.15.0-1076.86

  • ubuntu•linux-oem-osp1

    < 5.0.0-1047.52

  • ubuntu•linux-oracle

    < 4.15.0-1035.38~16.04.1 | < 4.15.0-1035.39

  • ubuntu•linux-oracle-5.0

    all

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    < 4.15.0-1057.61 | all

  • ubuntu•linux-realtime

    all

  • ubuntu•linux-riscv

    all

  • ubuntu•linux-snapdragon

    < 4.15.0-1074.81

  • linux•linux_kernel

    < 5.2

References (11)