#VU62663 Out-of-bounds read in selinux - CVE-2021-36087 

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Main Vulnerability Database Vulnerabilities #VU62663

#VU62663 Out-of-bounds read in selinux - CVE-2021-36087

Published: April 27, 2022


Vulnerability identifier: #VU62663
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-36087
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
selinux
Software vendor:
SELinux Project

Description

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

The vulnerability exists due to a boundary error in the ebitmap_match_any() function within the CIL compiler in SELinux. A local user can trigger an out-of-bounds read error and perform denial of service attack.


Remediation

Install update from vendor's website.

External links