Vulnerability identifier: #VU90629

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-2023-52593

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 wfx_upload_ap_templates() and wfx_start_ap() functions in drivers/net/wireless/silabs/wfx/sta.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/574dcd3126aa2eed75437137843f254b1190dd03
http://git.kernel.org/stable/c/9ab224744a47363f74ea29c6894c405e3bcf5132
http://git.kernel.org/stable/c/3739121443f5114c6bcf6d841a5124deb006b878
http://git.kernel.org/stable/c/fe0a7776d4d19e613bb8dd80fe2d78ae49e8b49d

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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.