SB2020042730 - Information disclosure in Linux kernel
Published: April 27, 2020 Updated: April 28, 2021
Security Bulletin ID
SB2020042730
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Incorrect Conversion between Numeric Types (CVE-ID: CVE-2020-28588)
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 update from vendor's website.