#VU100082 Input validation error in Linux kernel - CVE-2024-50163

Vulnerability identifier: #VU100082

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-2024-50163

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_CALL_3() function in net/core/filter.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/4e1e428533845d48828bd3875c0e92e8565b9962
https://git.kernel.org/stable/c/314dbee9fe4f5cee36435465de52c988d7caa466
https://git.kernel.org/stable/c/0fca5ed4be8e8bfbfb9bd97845af596bab7192d3
https://git.kernel.org/stable/c/cec288e05ceac9a0d3a3a1fd279534b11844c826
https://git.kernel.org/stable/c/09d88791c7cd888d5195c84733caf9183dcfbd16

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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.