#VU95021 Improper error handling in Linux kernel - CVE-2024-41030

Vulnerability identifier: #VU95021

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-2024-41030

CWE-ID: CWE-388

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 error handling within the smb2_create_open_flags() and smb2_open() functions in fs/smb/server/smb2pdu.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/66cf853e1c7a2407f15d9f7aaa3e47d61745e361
https://git.kernel.org/stable/c/9e84b1ba5c98fb5c9f869c85db1d870354613baa
https://git.kernel.org/stable/c/198498b2049c0f11f7670be6974570e02b0cc035
https://git.kernel.org/stable/c/e2e33caa5dc2eae7bddf88b22ce11ec3d760e5cd

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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.