#VU94316 Input validation error in Linux kernel - CVE-2024-40908

Vulnerability identifier: #VU94316

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-2024-40908

CWE-ID: CWE-20

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 improper input validation within the __bpf_prog_test_run_raw_tp() function in net/bpf/test_run.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/789bd77c9342aa6125003871ae5c6034d0f6f9d2
https://git.kernel.org/stable/c/3708b6c2546c9eb34aead8a34a17e8ae69004e4d
https://git.kernel.org/stable/c/d387805d4b4a46ee01e3dae133c81b6d80195e5b
https://git.kernel.org/stable/c/ae0ba0ab7475a129ef7d449966edf677367efeb4
https://git.kernel.org/stable/c/d0d1df8ba18abc57f28fb3bc053b2bf319367f2c

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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.