Vulnerability identifier: #VU94208
Vulnerability 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:
CWE-ID:
CWE-401
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 memory leak within the ath12k_qmi_free_target_mem_chunk(), ath12k_qmi_alloc_target_mem_chunk() and ath12k_qmi_m3_load() functions in drivers/net/wireless/ath/ath12k/qmi.c, within the ath12k_core_reset() function in drivers/net/wireless/ath/ath12k/core.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/bb50a4e711ff95348ad53641acb1306d89eb4c3a
http://git.kernel.org/stable/c/303c017821d88ebad887814114d4e5966d320b28
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.