#VU66550 Resource management error in Linux kernel - CVE-2022-36879

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Main Vulnerability Database Vulnerabilities #VU66550

#VU66550 Resource management error in Linux kernel - CVE-2022-36879

Published: August 16, 2022


Vulnerability identifier: #VU66550
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-2022-36879
CWE-ID: CWE-399
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 improper management of internal resources within the xfrm_expand_policies() function in net/xfrm/xfrm_policy.c. A local user can cause the refcount to be dropped twice and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links