Vulnerability identifier: #VU93335

Vulnerability risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-39468

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 smb2_find_smb_tcon() function in fs/smb/client/smb2transport.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel:

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External links
http://git.kernel.org/stable/c/b09b556e48968317887a11243a5331a7bc00ece5
http://git.kernel.org/stable/c/225de871ddf994f69a57f035709cad9c0ab8615a
http://git.kernel.org/stable/c/8d0f5f1ccf675454a833a573c53830a49b7d1a47
http://git.kernel.org/stable/c/02c418774f76a0a36a6195c9dbf8971eb4130a15

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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.