UBUNTU-CVE-2023-3269

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    UBUNTU-CVE-2023-3269

    Published: 11 Jul 2023Last Modified: 4 Feb 2026
    Upstream:
    CVE-2023-3269

    Summary:

    Details: A vulnerability exists in the memory management subsystem of the Linux kernel. The lock handling for accessing and updating virtual memory areas (VMAs) is incorrect, leading to use-after-free problems. This issue can be successfully exploited to execute arbitrary kernel code, escalate containers, and gain root privileges.

    References: https://ubuntu.com/security/CVE-2023-3269, https://github.com/lrh2000/StackRot, https://www.openwall.com/lists/oss-security/2023/07/05/1, https://ubuntu.com/security/notices/USN-6249-1, https://ubuntu.com/security/notices/USN-6250-1, https://www.cve.org/CVERecord?id=CVE-2023-3269

    Affected packages

    Package

    Name: linux-hwe-edge

    Purl: pkg:deb/ubuntu/[email protected]~16.04.1?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-2023-3269 | CVE-DB