Reachable Assertion in Linux kernel - CVE-2022-0644

 

Reachable Assertion in Linux kernel - CVE-2022-0644

Published: May 31, 2022


Vulnerability identifier: #VU63860
CSH Severity: Low
CVSS v4.0: 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-2022-0644
CWE-ID: CWE-617
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

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

The vulnerability exists due to a reachable assertion error in the Linux kernel’s kernel_read_file_from_fd in the filesystem. A local user can attempt to read a file without read access/permission to perform a denial of service (DoS) attack.


How to mitigate CVE-2022-0644

Install updates from vendor's website.

Sources