Improper Initialization in Linux kernel hisilicon hns3 driver
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-47139 |
| CWE-ID | CWE-665 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Linux kernel Operating systems & Components / Operating system |
| Vendor | Linux Foundation |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Improper Initialization
EUVDB-ID: #VU91555
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-2021-47139
CWE-ID:
CWE-665 - Improper Initialization
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper initialization within the hns3_client_init() function in drivers/net/ethernet/hisilicon/hns3/hns3_enet.c. A local user can perform a denial of service (DoS) attack.
MitigationInstall update from vendor's website.
Vulnerable software versionsLinux kernel: All versions
CPE2.3http://git.kernel.org/stable/c/a663c1e418a3b5b8e8edfad4bc8e7278c312d6fc
http://git.kernel.org/stable/c/0921a0620b5077796fddffb22a8e6bc635a4bb50
http://git.kernel.org/stable/c/a289a7e5c1d49b7d47df9913c1cc81fb48fab613
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.
