SB2021052814 - Memory corruption in Linux kernel
Published: May 28, 2021
Security Bulletin ID
SB2021052814
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) Memory corruption (CVE-ID: CVE-2021-20239)
The vulnerability allows a local user to gain access to sensitive information.
A flaw was found in the Linux kernel in versions before 5.4.92 in the BPF protocol. This flaw allows an attacker with a local account to leak information about kernel internal addresses. The highest threat from this vulnerability is to confidentiality.
Remediation
Install update from vendor's website.