#VU93833 Out-of-bounds write in Linux kernel - CVE-2021-42252

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Main Vulnerability Database Vulnerabilities #VU93833

#VU93833 Out-of-bounds write in Linux kernel - CVE-2021-42252

Published: October 11, 2021 / Updated: December 3, 2021


Vulnerability identifier: #VU93833
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-42252
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

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.

External links