Improper error handling in Linux kernel mm



| Updated: 2025-05-11
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-49049
CWE-ID CWE-388
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper error handling

EUVDB-ID: #VU104764

Risk: Low

CVSSv4.0: 4.3 [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-2022-49049

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

Description

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.15 - 5.18 rc8

CPE2.3 External links

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


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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