#VU91341 Information disclosure in Linux kernel - CVE-2021-47255 

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Main Vulnerability Database Vulnerabilities #VU91341

#VU91341 Information disclosure in Linux kernel - CVE-2021-47255

Published: June 8, 2024 / Updated: May 13, 2025


Vulnerability identifier: #VU91341
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-47255
CWE-ID: CWE-200
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 gain access to sensitive information.

The vulnerability exists due to information disclosure within the kvm_lapic_reg_read() function in arch/x86/kvm/lapic.c. A local user can gain access to sensitive information.


Remediation

Install update from vendor's website.

External links