#VU97257 NULL pointer dereference in Linux kernel - CVE-2024-46677

Vulnerability identifier: #VU97257

Vulnerability 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-2024-46677

CWE-ID: CWE-476

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

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 gtp_encap_enable_socket() function in drivers/net/gtp.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

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External links
https://git.kernel.org/stable/c/620fe9809752fae91b4190e897b81ed9976dfb39
https://git.kernel.org/stable/c/bdd99e5f0ad5fa727b16f2101fe880aa2bff2f8e
https://git.kernel.org/stable/c/8bbb9e4e0e66a39282e582d0440724055404b38c
https://git.kernel.org/stable/c/4643b91691e969b1b9ad54bf552d7a990cfa3b87
https://git.kernel.org/stable/c/e8b9930b0eb045d19e883c65ff9676fc89320c70
https://git.kernel.org/stable/c/28c67f0f84f889fe9f4cbda8354132b20dc9212d
https://git.kernel.org/stable/c/612edd35f2a3910ab1f61c1f2338889d4ba99fa2
https://git.kernel.org/stable/c/defd8b3c37b0f9cb3e0f60f47d3d78d459d57fda

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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.