Use of uninitialized resource in Linux kernel ipv4

1) Use of uninitialized resource

EUVDB-ID: #VU95024

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-2024-42106

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 inet_diag_dump_compat() and inet_diag_get_exact_compat() functions in net/ipv4/inet_diag.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 - 6.6.38

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:4.19:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:4.19.1:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:4.19.2:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:4.19.3:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:4.19.4:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:4.19.5:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:4.19.6:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:4.19.7:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:4.19.8:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:4.19.9:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/7094a5fd20ab66028f1da7f06e0f2692d70346f9
https://git.kernel.org/stable/c/0184bf0a349f4cf9e663abbe862ff280e8e4dfa2
https://git.kernel.org/stable/c/7ef519c8efde152e0d632337f2994f6921e0b7e4
https://git.kernel.org/stable/c/8366720519ea8d322a20780debdfd23d9fc0904a
https://git.kernel.org/stable/c/d6f487e0704de2f2d15f8dd5d7d723210f2b2fdb
https://git.kernel.org/stable/c/76965648fe6858db7c5f3c700fef7aa5f124ca1c
https://git.kernel.org/stable/c/f9b2010e8af49fac9d9562146fb81744d8a9b051
https://git.kernel.org/stable/c/61cf1c739f08190a4cbf047b9fbb192a94d87e3f
https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.318
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.222
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.163
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.280
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.98
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.39

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.