Improper error handling in Linux kernel - CVE-2022-49049
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104764
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2022-49049
CWE-ID: CWE-388
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the secretmem_setattr() and secretmem_file_create() functions in mm/secretmem.c. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
How to mitigate CVE-2022-49049
Install update from vendor's website.
Linux kernel - addressed in versions 5.15.35, 5.17.4, 5.18
External References
- https://git.kernel.org/stable/c/9d3b877daf805fed29be8f61aa3d0ea37df82c7b
- https://git.kernel.org/stable/c/b6d17c67885a5624e96eb30c4178c65eea8374bf
- https://git.kernel.org/stable/c/f9b141f93659e09a52e28791ccbaf69c273b8e92
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.35
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18