UBUNTU-CVE-2023-4134

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    UBUNTU-CVE-2023-4134

    Published: 4 Aug 2023Last Modified: 1 Oct 2026
    Upstream:
    CVE-2023-4134
    Aliases:
    USN-6464-1
    USN-6466-1
    USN-6520-1

    Summary:

    Details: 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.

    References: https://ubuntu.com/security/CVE-2023-4134, https://git.kernel.org/linus/dbe836576f12743a7d2d170ad4ad4fd324c4d47a, https://lore.kernel.org/all/[email protected]/, https://ubuntu.com/security/notices/USN-6464-1, https://ubuntu.com/security/notices/USN-6466-1, https://ubuntu.com/security/notices/USN-6520-1, https://ubuntu.com/security/notices/USN-6686-1, https://ubuntu.com/security/notices/USN-6686-2, https://ubuntu.com/security/notices/USN-6686-3, https://ubuntu.com/security/notices/USN-6686-4, https://ubuntu.com/security/notices/USN-6705-1, https://ubuntu.com/security/notices/USN-6686-5, https://www.cve.org/CVERecord?id=CVE-2023-4134

    Affected packages

    Package

    Name: linux

    Purl: pkg:deb/ubuntu/linux?arch=source&distro=esm-infra-legacy%2Ftrusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    3.11.0-12.19

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    UBUNTU-CVE-2023-4134 | CVE-DB