Vulnerability identifier: #VU90545
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:
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 rtw89_ops_bss_info_changed() and rtw89_ops_remain_on_channel() functions in drivers/net/wireless/realtek/rtw89/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:
External links
http://git.kernel.org/stable/c/b34d64e9aa5505e3c84570aed5c757f1839573e8
http://git.kernel.org/stable/c/4f11c741908dab7dd48fa5a986b210d4fc74ca8d
http://git.kernel.org/stable/c/7e11a2966f51695c0af0b1f976a32d64dee243b2
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.