CVE-2023-4134 - CVE House
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Status published Medium CVE-2023-4134

Kernel: cyttsp4_core: use-after-free in cyttsp4_watchdog_work()

Vulnerability Description

A use-after-free vulnerability was found in the cyttsp4_core driver in the Linux kernel. This issue occurs in the device cleanup routine due to a possible rearming of the watchdog_timer from the workqueue. This could allow a local user to crash the system, causing a denial of service.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Red Hat would like to thank Duoming Zhou for reporting this issue.

Affected Vendor

Affected Software

Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9
Vulnerable Versions:
dbe836576f12743a7d2d170ad4ad4fd324c4d47a

Timeline

Official Publish: November 14th, 2024
Last Modified: November 14th, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)