#VU79673 Out-of-bounds write in Linux kernel - CVE-2023-2163 

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Main Vulnerability Database Vulnerabilities #VU79673

#VU79673 Out-of-bounds write in Linux kernel - CVE-2023-2163

Published: August 18, 2023


Vulnerability identifier: #VU79673
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-2023-2163
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 escalate privileges on the system.

The vulnerability exists due to a boundary error in BPF verifier caused by improper marking of registers for precision tracking in certain situations. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.


Remediation

Install updates from vendor's website.

External links