#VU30312 Out-of-bounds write in Linux kernel - CVE-2019-20636 

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Main Vulnerability Database Vulnerabilities #VU30312

#VU30312 Out-of-bounds write in Linux kernel - CVE-2019-20636

Published: April 8, 2020 / Updated: July 17, 2020


Vulnerability identifier: #VU30312
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-20636
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local privileged user to execute arbitrary code.

In the Linux kernel before 5.4.12, drivers/input/input.c has out-of-bounds writes via a crafted keycode table, as demonstrated by input_set_keycode, aka CID-cb222aed03d7.


Remediation

Install update from vendor's website.

External links