CVE-2019-20806
Linux Tw5864 Kernel NULL Pointer Dereference Denial of Service Vulnerability
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.
INFO
Published Date :
May 27, 2020, 12:15 p.m.
Last Modified :
June 19, 2020, 11:15 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
0.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-20806.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-20806 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-20806 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Jun. 19, 2020
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20200619-0001/ [No Types Assigned] -
CVE Modified by [email protected]
Jun. 13, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html [No Types Assigned] -
CVE Modified by [email protected]
Jun. 10, 2020
Action Type Old Value New Value Added Reference https://www.debian.org/security/2020/dsa-4698 [No Types Assigned] -
CVE Modified by [email protected]
Jun. 10, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html [No Types Assigned] -
Reanalysis by [email protected]
Jun. 08, 2020
Action Type Old Value New Value Removed CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:N/I:N/A:P) Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CVSS V3.1 NIST AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H -
Initial Analysis by [email protected]
May. 28, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2 No Types Assigned https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2 Release Notes, Vendor Advisory Changed Reference Type https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2e7682ebfc750177a4944eeb56e97a3f05734528 No Types Assigned https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2e7682ebfc750177a4944eeb56e97a3f05734528 Patch, Vendor Advisory Changed Reference Type https://github.com/torvalds/linux/commit/2e7682ebfc750177a4944eeb56e97a3f05734528 No Types Assigned https://github.com/torvalds/linux/commit/2e7682ebfc750177a4944eeb56e97a3f05734528 Patch, Third Party Advisory Added CWE NIST CWE-476 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-20806 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-20806
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.12065
percentile