Memory leak in Linux kernel netfilter

1) Memory leak

EUVDB-ID: #VU89993

Risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-27064

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 nf_tables_updchain() function in net/netfilter/nf_tables_api.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

External links

http://git.kernel.org/stable/c/79846fdcc548d617b0b321addc6a3821d3b75b20
http://git.kernel.org/stable/c/4e4623a4f6e133e671f65f9ac493bddaaf63e250
http://git.kernel.org/stable/c/e77a6b53a3a547b6dedfc40c37cee4f310701090
http://git.kernel.org/stable/c/7eaf837a4eb5f74561e2486972e7f5184b613f6e

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.