#VU100056 Memory leak in Linux kernel - CVE-2024-50171

Vulnerability identifier: #VU100056

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-2024-50171

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 bcm_sysport_xmit() function in drivers/net/ethernet/broadcom/bcmsysport.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/5febfc545389805ce83d37f9f4317055b26dd7d7
https://git.kernel.org/stable/c/533d2f30aef272dade17870a509521c3afc38a03
https://git.kernel.org/stable/c/4b70478b984af3c9d0279c121df5ff94e2533dbd
https://git.kernel.org/stable/c/7d5030a819c3589cf9948b1eee397b626ec590f5
https://git.kernel.org/stable/c/c401ed1c709948e57945485088413e1bb5e94bd1

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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.