Memory leak in Linux kernel riscv kernel



| Updated: 2025-05-10
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-49852
CWE-ID CWE-401
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) Memory leak

EUVDB-ID: #VU108183

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-2022-49852

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

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

The vulnerability exists due to memory leak within the copy_thread() function in arch/riscv/kernel/process.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.10 - 5.10.154

CPE2.3 External links

https://git.kernel.org/stable/c/358a68f98304b40b201ba5afe94c20355aa3dc68
https://git.kernel.org/stable/c/6510c78490c490a6636e48b61eeaa6fb65981f4b
https://git.kernel.org/stable/c/c4601d30f7d989b4f354df899ab85b5f7a750d30
https://git.kernel.org/stable/c/c5c0b3167537793a7cf936fb240366eefd2fc7fb
https://git.kernel.org/stable/c/cc36c7fa5d9384602529ba3eea8c5daee7be4dbc
https://git.kernel.org/stable/c/e56d18a976dda653194218df6d40d8122c775712
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.155


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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