UBUNTU-CVE-2023-3220

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    UBUNTU-CVE-2023-3220

    Published: 20 Jun 2023Last Modified: 9 Sept 2026
    Upstream:
    CVE-2023-3220
    Aliases:
    USN-6385-1

    Summary:

    Details: An issue was discovered in the Linux kernel through 6.1-rc8. dpu_crtc_atomic_check in drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c lacks check of the return value of kzalloc() and will cause the NULL Pointer Dereference.

    References: https://ubuntu.com/security/CVE-2023-3220, https://git.kernel.org/linus/93340e10b9c5fc86730d149636e0aa8b47bb5a34, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=93340e10b9c5fc86730d149636e0aa8b47bb5a34, https://patchwork.freedesktop.org/patch/514160/, https://ubuntu.com/security/notices/USN-6385-1, https://www.cve.org/CVERecord?id=CVE-2023-3220

    Affected packages

    Package

    Name: linux-hwe-edge

    Purl: pkg:deb/ubuntu/linux-hwe-edge?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    4.8.0-28.30~16.04.1
    4.8.0-30.32~16.04.1
    4.8.0-32.34~16.04.1
    4.8.0-34.36~16.04.1

    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-2023-3220 | CVE-DB