SB2021080818 - Access of uninitialized pointer in Linux kernel
Published: August 8, 2021
Security Bulletin ID
SB2021080818
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Access of uninitialized pointer (CVE-ID: CVE-2021-38205)
The vulnerability allows a local user to manipulate data.
drivers/net/ethernet/xilinx/xilinx_emaclite.c in the Linux kernel before 5.13.3 makes it easier for attackers to defeat an ASLR protection mechanism because it prints a kernel pointer (i.e., the real IOMEM pointer).
Remediation
Install update from vendor's website.