Vulnerability identifier: #VU92293

Vulnerability risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-38539

CWE-ID: CWE-401

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 memory leak within the cma_validate_port() function in drivers/infiniband/core/cma.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel:

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External links
http://git.kernel.org/stable/c/3eb127dc408bf7959a4920d04d16ce10e863686a
http://git.kernel.org/stable/c/6564fc1818404254d1c9f7d75b403b4941516d26
http://git.kernel.org/stable/c/b3a7fb93afd888793ef226e9665fbda98a95c48e
http://git.kernel.org/stable/c/9c0731832d3b7420cbadba6a7f334363bc8dfb15

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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.