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
0.11% LOW
0% probability 0.00%
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: 0.11%• Percentile: 30%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- linux•linux_kernel
< 5.2
References (7)
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2
- https://github.com/torvalds/linux/commit/2e7682ebfc750177a4944eeb56e97a3f05734528
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2e7682ebfc750177a4944eeb56e97a3f05734528
- https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
- https://www.debian.org/security/2020/dsa-4698
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
- https://security.netapp.com/advisory/ntap-20200619-0001/