Use-After-Free Vulnerability in Linux Kernel's cyttsp4_core Driver Could Lead to Denial of Service
CVE-2023-4134

5.5MEDIUM

Key Information:

Vendor

Linux
Status
Linux Kernel
Vendor
CVE Published:
14 November 2024

What is CVE-2023-4134?

A use-after-free vulnerability has been identified within the cyttsp4_core driver in the Linux kernel. This vulnerability arises during the device cleanup routine, specifically linked to the potential rearming of the watchdog timer from the workqueue. Exploiting this flaw may allow a local user to trigger a system crash, resulting in a denial of service situation that can significantly affect system performance and availability.

References

https://access.redhat.com/security/cve/CVE-2023-4134
https://bugzilla.redhat.com/show_bug.cgi?id=2221700

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

.