Memory leak in Linux kernel ipv4



| Updated: 2025-05-11
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-52997
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: #VU106145

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-2023-52997

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 ip_metrics_convert() function in net/ipv4/metrics.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 4.19 - 4.19.271

CPE2.3 External links

https://git.kernel.org/stable/c/1d1d63b612801b3f0a39b7d4467cad0abd60e5c8
https://git.kernel.org/stable/c/34c6142f0df9cd75cba5a7aa9df0960d2854b415
https://git.kernel.org/stable/c/6850fe301d015a7d2012d1de8caf43dafb7cc2f6
https://git.kernel.org/stable/c/746db9ec1e672eee13965625ddac0d97e16fa20c
https://git.kernel.org/stable/c/d50e7348b44f1e046121ff5be01b7fb6978a1149
https://git.kernel.org/stable/c/ef050cf5fb70d995a0d03244e25179b7c66a924a
https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.272


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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