SB2023091450 - Use-after-free in Linux kernel cyttsp4_core driver
Published: September 14, 2023
Security Bulletin ID
SB2023091450
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) Use-after-free (CVE-ID: CVE-2023-4134)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error within the cyttsp4_watchdog_work() in cyttsp4_core driver. A local user can trigger memory corruption and crash the kernel.
Remediation
Install update from vendor's website.