Memory leak in Linux kernel - CVE-2021-46937

 

Memory leak in Linux kernel - CVE-2021-46937

Published: June 10, 2024 / Updated: May 13, 2025


Vulnerability identifier: #VU91662
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-46937
CWE-ID: CWE-401
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 gain access to sensitive information.

The vulnerability exists due to memory leak within the dbgfs_target_ids_write() function in mm/damon/dbgfs.c. A local user can gain access to sensitive information.


How to mitigate CVE-2021-46937

Install update from vendor's website.

Sources