SB2019060319 - Buffer overflow in Linux kernel
Published: June 3, 2019 Updated: June 1, 2020
Security Bulletin ID
SB2019060319
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Buffer overflow (CVE-ID: CVE-2019-3846)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 8.7 [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]
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.
Remediation
Install update from vendor's website.
References
- 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