NULL pointer dereference in Linux kernel ipv6 netfilter

1) NULL pointer dereference

EUVDB-ID: #VU96146

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-2024-42269

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to NULL pointer dereference within the ip6table_nat_init() function in net/ipv6/netfilter/ip6table_nat.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/91b6df6611b7edb28676c4f63f90c56c30d3e601
http://git.kernel.org/stable/c/e85b9b6a87be4cb3710082038b677e97f2389003
http://git.kernel.org/stable/c/87dba44e9471b79b255d0736858a897332db9226
http://git.kernel.org/stable/c/c22921df777de5606f1047b1345b8d22ef1c0b34

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.