UBUNTU-CVE-2023-6531

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    UBUNTU-CVE-2023-6531

    Published: 21 Jan 2024Last Modified: 4 Feb 2026
    Upstream:
    CVE-2023-6531

    Summary:

    Details: A use-after-free flaw was found in the Linux Kernel due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic() on the socket that the SKB is queued on.

    References: https://ubuntu.com/security/CVE-2023-6531, https://git.kernel.org/linus/705318a99a138c29a512a72c3e0043b3cd7f55f4, https://lore.kernel.org/all/c716c88321939156909cfa1bd8b0faaf1c804103.1701868795.git.asml.silence@gmail.com/, https://ubuntu.com/security/notices/USN-6624-1, https://ubuntu.com/security/notices/USN-6639-1, https://ubuntu.com/security/notices/USN-6652-1, https://www.cve.org/CVERecord?id=CVE-2023-6531

    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-2023-6531 | CVE-DB