#VU55258 Memory leak in Linux kernel - CVE-2020-25704 

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Main Vulnerability Database Vulnerabilities #VU55258

#VU55258 Memory leak in Linux kernel - CVE-2020-25704

Published: July 22, 2021 / Updated: December 24, 2021


Vulnerability identifier: #VU55258
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-2020-25704
CWE-ID: CWE-401
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 memory leak within the Linux kernel performance monitoring subsystem when using PERF_EVENT_IOC_SET_FILTER. A local user could use this flaw to starve the resources causing denial of service.


Remediation

Install update from vendor's website.

External links