#VU99001 Improper locking in Linux kernel - CVE-2024-50025

Vulnerability identifier: #VU99001

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-2024-50025

CWE-ID: CWE-667

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 locking within the fnic_probe() function in drivers/scsi/fnic/fnic_main.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.11, 6.11.1, 6.11.2, 6.11.3

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External links
https://git.kernel.org/stable/c/6b7836b80061bf1accc5d78b12bc086aed252388
https://git.kernel.org/stable/c/f30e5f77d2f205ac14d09dec40fd4bb76712f13d
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.4
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12

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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.