Memory leak in Linux kernel marvell prestera driver



| Updated: 2025-05-13
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-48859
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: #VU94395

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-2022-48859

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 prestera_switch_set_base_mac_addr() function in drivers/net/ethernet/marvell/prestera/prestera_main.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 - 5.17 rc12

CPE2.3 External links

https://git.kernel.org/stable/c/b7c2fd1d126329340639adfb8dd2938fe4b65df7
https://git.kernel.org/stable/c/4cc66bf17220ff9631f9fa99b02a872e0ad5a08b
https://git.kernel.org/stable/c/c9ffa3e2bc451816ce0295e40063514fabf2bd36
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.29
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.15
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17


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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