Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-43976 |
CWE-ID | CWE-20 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
Linux kernel Operating systems & Components / Operating system |
Vendor |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU61215
Risk: Low
CVSSv3.1: 4 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-43976
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows an attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input within the mwifiex_usb_recv() function in drivers/net/wireless/marvell/mwifiex/usb.c in Linux kernel. An attacker with physical access to the system can insert a specially crafted USB device and perform a denial of service (DoS) attack.
Install updates from vendor's website.
Vulnerable software versionsLinux kernel: before 5.15.2
External linkshttp://patchwork.kernel.org/project/linux-wireless/patch/YX4CqjfRcTa6bVL+@Zekuns-MBP-16.fios-router.home/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X24M7KDC4OJOZNS3RDSYC7ELNELOLQ2N/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YODMYMGZYDXQKGJGX7TJG4XV4L5YLLBD/
http://security.netapp.com/advisory/ntap-20211210-0001/
Q & A
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.