#VU88821 Out-of-bounds read in Linux kernel - CVE-2023-52476 

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Main Vulnerability Database Vulnerabilities #VU88821

#VU88821 Out-of-bounds read in Linux kernel - CVE-2023-52476

Published: April 18, 2024 / Updated: May 14, 2025


Vulnerability identifier: #VU88821
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-52476
CWE-ID: CWE-125
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 perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition within the branch_type() and get_branch_type() functions in arch/x86/events/utils.c. A local user can trigger an out-of-bounds read error and crash the kernel.


Remediation

Install updates from vendor's website.

External links