#VU59473 Improper Resource Shutdown or Release in Linux kernel - CVE-2020-36322

 

#VU59473 Improper Resource Shutdown or Release in Linux kernel - CVE-2020-36322

Published: January 11, 2022


Vulnerability identifier: #VU59473
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-2020-36322
CWE-ID: CWE-404
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 in the FUSE filesystem implementation in the Linux kernel due to fuse_do_getattr() calls make_bad_inode() in inappropriate situations. A local user can run a specially crafted program to trigger kernel crash.

Note, the vulnerability exists due to incomplete fix for #VU58207 (CVE-2021-28950).


Remediation

Install updates from vendor's website.

External links