UBUNTU-CVE-2022-2959

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    UBUNTU-CVE-2022-2959

    Published: 25 Aug 2022Last Modified: 22 Apr 2026
    Upstream:
    CVE-2022-2959
    Aliases:
    USN-5594-1
    USN-5599-1
    USN-5602-1

    Summary:

    Details: A race condition was found in the Linux kernel's watch queue due to a missing lock in pipe_resize_ring(). The specific flaw exists within the handling of pipe buffers. The issue results from the lack of proper locking when performing operations on an object. This flaw allows a local user to crash the system or escalate their privileges on the system.

    References: https://ubuntu.com/security/CVE-2022-2959, https://www.zerodayinitiative.com/advisories/ZDI-CAN-17291/, https://git.kernel.org/linus/189b0ddc245139af81198d1a3637cac74f96e13a, https://ubuntu.com/security/notices/USN-5594-1, https://ubuntu.com/security/notices/USN-5599-1, https://ubuntu.com/security/notices/USN-5602-1, https://ubuntu.com/security/notices/USN-5616-1, https://ubuntu.com/security/notices/USN-5623-1, https://www.cve.org/CVERecord?id=CVE-2022-2959

    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-2022-2959 | CVE-DB