Main Vulnerability Database Vulnerabilities #VU92733

Unchecked return value in Linux kernel - CVE-2023-23003

Published: March 1, 2023 / Updated: August 29, 2023

Vulnerability identifier: #VU92733

CSH Severity: Low

CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2023-23003

CWE-ID: CWE-252

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
Linux kernel

Software vendor:
Linux Foundation

Description

The vulnerability allows a local privileged user to perform a denial of service (DoS) attack.

In the Linux kernel before 5.16, tools/perf/util/expr.c lacks a check for the hashmap__new return value.

Install update from vendor's repository.