#VU63921 Unchecked Return Value in Linux kernel - CVE-2021-43056 

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU63921

#VU63921 Unchecked Return Value in Linux kernel - CVE-2021-43056

Published: June 2, 2022


Vulnerability identifier: #VU63921
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-2021-43056
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 user to perform a denial of service attack.

The vulnerability exists due to an arch/powerpc/kvm/book3s_hv_rmhandlers.S implementation error when handling SRR1 register values. A local user can perform a denial of service attack, when the host is running on Power8.


Remediation

Install updates from vendor's website.

External links