NULL pointer dereference in Linux kernel realtek rtw88 driver

1) NULL pointer dereference

EUVDB-ID: #VU97524

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/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-2024-46760

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

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 rtw_usb_init_rx() and rtw_usb_probe() functions in drivers/net/wireless/realtek/rtw88/usb.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

External links

http://git.kernel.org/stable/c/c83d464b82a8ad62ec9077637f75d73fe955635a
http://git.kernel.org/stable/c/25eaef533bf3ccc6fee5067aac16f41f280e343e
http://git.kernel.org/stable/c/adc539784c98a7cc602cbf557debfc2e7b9be8b3

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.