Vulnerability identifier: #VU92070

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-2024-26903

CWE-ID: CWE-476

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 NULL pointer dereference within the rfcomm_process_rx() function in net/bluetooth/rfcomm/core.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/369f419c097e82407dd429a202cde9a73d3ae29b
http://git.kernel.org/stable/c/5f369efd9d963c1f711a06c9b8baf9f5ce616d85
http://git.kernel.org/stable/c/81d7d920a22fd58ef9aedb1bd0a68ee32bd23e96
http://git.kernel.org/stable/c/8d1753973f598531baaa2c1033cf7f7b5bb004b0
http://git.kernel.org/stable/c/567c0411dc3b424fc7bd1e6109726d7ba32d4f73
http://git.kernel.org/stable/c/3ead59bafad05f2967ae2438c0528d53244cfde5
http://git.kernel.org/stable/c/5f9fe302dd3a9bbc50f4888464c1773f45166bfd
http://git.kernel.org/stable/c/2535b848fa0f42ddff3e5255cf5e742c9b77bb26

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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.