SB2021101122 - Out-of-bounds write in Linux kernel soc aspeed driver
Published: October 11, 2021
Security Bulletin ID
SB2021101122
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2021-42252)
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to an out-of-bounds write within the aspeed_lpc_ctrl_mmap() function in drivers/soc/aspeed/aspeed-lpc-ctrl.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.