Buffer overflow in Linux kernel



| Updated: 2020-06-01
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-3846
CWE-ID CWE-119
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU28399

Risk: High

CVSSv4.0: 6.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-3846

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

A flaw that allowed an attacker to corrupt memory and possibly escalate privileges was found in the mwifiex kernel module while connecting to a malicious wireless network.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 4.4 - 5.1.21

CPE2.3 External links

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.59
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.18
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.134
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.186
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.186


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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