Improper locking in Linux kernel iwlwifi mvm driver

1) Improper locking

EUVDB-ID: #VU98368

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-2024-47672

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the iwl_mvm_flush_no_vif() and iwl_mvm_mac_flush() functions in drivers/net/wireless/intel/iwlwifi/mvm/mac80211.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

CPE2.3

External links

http://git.kernel.org/stable/c/1b0cd832c9607f41f84053b818e0b7908510a3b9
http://git.kernel.org/stable/c/4d0a900ec470d392476c428875dbf053f8a0ae5e
http://git.kernel.org/stable/c/7188b7a72320367554b76d8f298417b070b05dd3
http://git.kernel.org/stable/c/3a84454f5204718ca5b4ad2c1f0bf2031e2403d1

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.