UBUNTU-CVE-2023-2612

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    UBUNTU-CVE-2023-2612

    Published: 30 May 2023Last Modified: 9 Sept 2026
    Upstream:
    CVE-2023-2612
    Aliases:
    USN-6122-1
    USN-6123-1
    USN-6124-1

    Summary:

    Details: Jean-Baptiste Cayrou discovered that the shiftfs file system in the Ubuntu Linux kernel contained a race condition when handling inode locking in some situations. A local attacker could use this to cause a denial of service (kernel deadlock).

    References: https://ubuntu.com/security/CVE-2023-2612, https://ubuntu.com/security/notices/USN-6122-1, https://ubuntu.com/security/notices/USN-6123-1, https://ubuntu.com/security/notices/USN-6124-1, https://ubuntu.com/security/notices/USN-6127-1, https://ubuntu.com/security/notices/USN-6131-1, https://ubuntu.com/security/notices/USN-6132-1, https://ubuntu.com/security/notices/USN-6135-1, https://ubuntu.com/security/notices/USN-6150-1, https://ubuntu.com/security/notices/USN-6162-1, https://ubuntu.com/security/notices/USN-6175-1, https://ubuntu.com/security/notices/USN-6186-1, https://ubuntu.com/security/notices/USN-6222-1, https://ubuntu.com/security/notices/USN-6256-1, https://www.cve.org/CVERecord?id=CVE-2023-2612

    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-2023-2612 | CVE-DB