Unchecked return value in Linux kernel - CVE-2023-23003
Published: March 1, 2023 / Updated: August 29, 2023
Vulnerability identifier: #VU92733
CSH Severity: Low
CVSS v4: 4.1 [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]
CVE-ID: CVE-2023-23003
CWE-ID: CWE-252
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Linux kernel
How to mitigate CVE-2023-23003
Install update from vendor's repository.