#VU52687 Incorrect Conversion between Numeric Types in Linux kernel - CVE-2020-28588

 

#VU52687 Incorrect Conversion between Numeric Types in Linux kernel - CVE-2020-28588

Published: April 28, 2021


Vulnerability identifier: #VU52687
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-28588
CWE-ID: CWE-681
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local attacker to gain unauthorized access to sensitive information on the system.

The vulnerability exists due to incorrect conversion between numeric types in the /proc/pid/syscall functionality. A local attacker can read /proc/pid/syscall to trigger this vulnerability, leading to the kernel leaking memory contents.


Remediation

Install updates from vendor's website.

External links