SB2023091447 - Denial of service in Linux kernel USB subsystem
Published: September 14, 2023
Security Bulletin ID
SB2023091447
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Physical access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2023-37453)
The vulnerability allows an attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within the read_descriptors() function in drivers/usb/core/sysfs.c. An attacker with physical access to the system can attach a malicious USB device, trigger an out-of-bounds read error and crash the kernel.
Remediation
Install update from vendor's website.