#VU86575 Integer overflow in Linux kernel - CVE-2021-33631

 

#VU86575 Integer overflow in Linux kernel - CVE-2021-33631

Published: February 19, 2024


Vulnerability identifier: #VU86575
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-2021-33631
CWE-ID: CWE-190
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 escalate privileges on the system.

The vulnerability exists due to integer overflow when mounting a malicious filesystem. A local user can mount a specially crafted filesystem, trigger an integer overflow and execute arbitrary code.


Remediation

Install update from vendor's website.

External links