#VU96832 Memory leak in Linux kernel - CVE-2024-44971

Vulnerability identifier: #VU96832

Vulnerability risk: Low

CVSSv4.0: [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-2024-44971

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_sf2_mdio_register() function in drivers/net/dsa/bcm_sf2.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
http://git.kernel.org/stable/c/b7b8d9f5e679af60c94251fd6728dde34be69a71
http://git.kernel.org/stable/c/c05516c072903f6fb9134b8e7e1ad4bffcdc4819
http://git.kernel.org/stable/c/7feef10768ea71d468d9bbc1e0d14c461876768c
http://git.kernel.org/stable/c/a7d2808d67570e6acae45c2a96e0d59986888e4c
http://git.kernel.org/stable/c/f3d5efe18a11f94150fee8b3fda9d62079af640a
http://git.kernel.org/stable/c/e3862093ee93fcfbdadcb7957f5f8974fffa806a

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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.