Vulnerability identifier: #VU92373

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-2024-38538

CWE-ID: CWE-908

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 use of uninitialized resource within the EXPORT_SYMBOL_GPL() and br_dev_xmit() functions in net/bridge/br_device.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/28126b83f86ab9cc7936029c2dff845d3dcedba2
http://git.kernel.org/stable/c/1abb371147905ba250b4cc0230c4be7e90bea4d5
http://git.kernel.org/stable/c/f482fd4ce919836a49012b2d31b00fc36e2488f2
http://git.kernel.org/stable/c/5b5d669f569807c7ab07546e73c0741845a2547a
http://git.kernel.org/stable/c/8bd67ebb50c0145fd2ca8681ab65eb7e8cde1afc

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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.