#VU95103 Input validation error in Linux kernel - CVE-2024-42080

Vulnerability identifier: #VU95103

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-2024-42080

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 rdma_restrack_init() and type2str() functions in drivers/infiniband/core/restrack.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/8656ef8a9288d6c932654f8d3856dc4ab1cfc6b5
https://git.kernel.org/stable/c/782bdaf9d01658281bc813f3f873e6258aa1fd8d
https://git.kernel.org/stable/c/8ac281d42337f36cf7061cf1ea094181b84bc1a9
https://git.kernel.org/stable/c/f45b43d17240e9ca67ebf3cc82bb046b07cc1c61
https://git.kernel.org/stable/c/ca537a34775c103f7b14d7bbd976403f1d1525d8

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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.