Use of uninitialized resource in Linux kernel netfilter

1) Use of uninitialized resource

EUVDB-ID: #VU97182

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/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-2024-45018

CWE-ID: CWE-908 - Use of Uninitialized Resource

Exploit availability: No

Description

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

The vulnerability exists due to use of uninitialized resource within the nf_flow_offload_tuple() function in net/netfilter/nf_flow_table_offload.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

CPE2.3

External links

http://git.kernel.org/stable/c/e5ceff2196dc633c995afb080f6f44a72cff6e1d
http://git.kernel.org/stable/c/356beb911b63a8cff34cb57f755c2a2d2ee9dec7
http://git.kernel.org/stable/c/7eafeec6be68ebd6140a830ce9ae68ad5b67ec78
http://git.kernel.org/stable/c/c7b760499f7791352b49b11667ed04b23d7f5b0f
http://git.kernel.org/stable/c/119be227bc04f5035efa64cb823b8a5ca5e2d1c1
http://git.kernel.org/stable/c/e9767137308daf906496613fd879808a07f006a2

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.