SB2020032423 - Stack-based buffer overflow in Linux kernel
Published: March 24, 2020 Updated: April 24, 2020
Security Bulletin ID
SB2020032423
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Stack-based buffer overflow (CVE-ID: CVE-2020-10942)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the get_raw_socket() function in drivers/vhost/net.c due to lack of validation of the sk_family field. A local user can perform a specially crafted system call, trigger stack overflow and crash the kernel.
Remediation
Install update from vendor's website.