SB2021052743 - Buffer access with incorrect length value in Linux kernel
Published: May 27, 2021
Security Bulletin ID
SB2021052743
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) Buffer access with incorrect length value (CVE-ID: CVE-2020-10774)
The vulnerability allows a local user to gain access to sensitive information.
A memory disclosure flaw was found in the Linux kernel's versions before 4.18.0-193.el8 in the sysctl subsystem when reading the /proc/sys/kernel/rh_features file. This flaw allows a local user to read uninitialized values from the kernel memory. The highest threat from this vulnerability is to confidentiality.
Remediation
Install update from vendor's website.