CVE-2019-19252

HIGH
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

vcs_write in drivers/tty/vt/vc_screen.c in the Linux kernel through 5.3.13 does not prevent write access to vcsu devices, aka CID-0c9acb1af77a.

References

https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git/commit/?h=tty-testing&id=0c9acb1af77a3cb8707e43f45b72c95266903cee

https://lore.kernel.org/lkml/[email protected]/

https://security.netapp.com/advisory/ntap-20200103-0001/

Details

Source: MITRE

Published: 2019-11-25

Updated: 2020-01-03

Type: CWE-125

Risk Information

CVSS v2

Base Score: 4.6

Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH

Vulnerable Software

Configuration 1

OR

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to 5.3.13 (inclusive)

Tenable Plugins

View all (5 total)

IDNameProductFamilySeverity
136239EulerOS Virtualization for ARM 64 3.0.2.0 : kernel (EulerOS-SA-2020-1536)NessusHuawei Local Security Checks
critical
133797Ubuntu 18.04 LTS / 19.10 : Linux kernel vulnerabilities (USN-4284-1)NessusUbuntu Local Security Checks
high
133354Ubuntu 18.04 LTS : Linux kernel vulnerabilities (USN-4258-1)NessusUbuntu Local Security Checks
high
133295Photon OS 3.0: Linux PHSA-2020-3.0-0052NessusPhotonOS Local Security Checks
high
132605EulerOS 2.0 SP8 : kernel (EulerOS-SA-2020-1012)NessusHuawei Local Security Checks
critical