#VU94244 NULL pointer dereference in Linux kernel - CVE-2024-40961

Vulnerability identifier: #VU94244

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-2024-40961

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 fib6_nh_init() function in net/ipv6/route.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/3200ffeec4d59aad5bc9ca75d2c1fae47c0aeade
https://git.kernel.org/stable/c/de5ad4d45cd0128a2a37555f48ab69aa19d78adc
https://git.kernel.org/stable/c/4cdfe813015d5a24586bd0a84fa0fa6eb0a1f668
https://git.kernel.org/stable/c/88b9a55e2e35ea846d41f4efdc29d23345bd1aa4
https://git.kernel.org/stable/c/b6947723c9eabcab58cfb33cdb0a565a6aee6727
https://git.kernel.org/stable/c/ae8d3d39efe366c2198f530e01e4bf07830bf403
https://git.kernel.org/stable/c/2eab4543a2204092c3a7af81d7d6c506e59a03a6

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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.