#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: 4.19 - 4.19.322, 5.4 - 5.4.284, 5.10 - 5.10.228, 5.15 - 5.15.169, 6.1 - 6.1.114, 6.6 - 6.6.58, 6.11 - 6.11.5

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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
https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.323
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.229
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.170
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.285
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.115
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.6
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.59

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?