CVE-2019-20806

Severity Score

4.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Se descubrió un problema en el kernel de Linux versiones anteriores a la versión 5.2. Tiene una desreferencia del puntero NULL en la función tw5864_handle_frame() en el archivo drivers/media/pci/tw5864/tw5864-video.c, que puede causar una denegación de servicio, también se conoce como CID-2e7682ebfc75.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-05-27 CVE Reserved
2020-05-27 CVE Published
2023-03-08 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-476: NULL Pointer Dereference

CAPEC

References (7)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html	Mailing List
https://security.netapp.com/advisory/ntap-20200619-0001	X_refsource_confirm

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2e7682ebfc750177a4944eeb56e97a3f05734528	2020-06-19
https://github.com/torvalds/linux/commit/2e7682ebfc750177a4944eeb56e97a3f05734528	2020-06-19

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html	2020-06-19
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2	2020-06-19
https://www.debian.org/security/2020/dsa-4698	2020-06-19

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.2 Search vendor "Linux" for product "Linux Kernel" and version " < 5.2"		-		Affected