Memory leak in Linux kernel - CVE-2021-46937
Published: June 10, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91662
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2021-46937
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Linux kernel
How to mitigate CVE-2021-46937
Install update from vendor's website.
Linux kernel - addressed in versions 5.15.13, 5.16