#VU82763 Input validation error in Linux kernel - CVE-2023-39191

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Main Vulnerability Database Vulnerabilities #VU82763

#VU82763 Input validation error in Linux kernel - CVE-2023-39191

Published: November 6, 2023


Vulnerability identifier: #VU82763
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-39191
CWE-ID: CWE-20
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 insufficient validation of user-supplied input in the eBPF subsystem in the Linux kernel. A local user with CAP_BPF capability can execute arbitrary code with elevated privileges.


Remediation

Install updates from vendor's website.

External links