UBUNTU-CVE-2023-6560

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    UBUNTU-CVE-2023-6560

    Published: 9 Dec 2023Last Modified: 4 Feb 2026
    Upstream:
    CVE-2023-6560

    Summary:

    Details: An out-of-bounds memory access flaw was found in the io_uring SQ/CQ rings functionality in the Linux kernel. This issue could allow a local user to crash the system.

    References: https://ubuntu.com/security/CVE-2023-6560, https://git.kernel.org/linus/820d070feb668aab5bc9413c285a1dda2a70e076, https://lore.kernel.org/io-uring/[email protected]/, https://ubuntu.com/security/notices/USN-6680-1, https://ubuntu.com/security/notices/USN-6680-2, https://ubuntu.com/security/notices/USN-6680-3, https://www.cve.org/CVERecord?id=CVE-2023-6560

    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