SB2019072617 - Integer overflow in Linux kernel
Published: July 26, 2019 Updated: August 1, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Integer overflow (CVE-ID: CVE-2019-14283)
The vulnerability allows a local attacker to execute arbitrary code or cause a denial of service (DoS) condition on a targeted system.
The vulnerability exists due to the "set_geometry" function in the "drivers/block/floppy.c" file does not properly validate the sect and head fields. A local authenticated attacker can insert a floppy disk that submits malicious input to the targeted system, trigger integer overflow, which could cause an out-of-bounds write condition and execute arbitrary code on the target system or cause a DoS condition.
Remediation
Install update from vendor's website.