UBUNTU-CVE-2022-2905

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    UBUNTU-CVE-2022-2905

    Published: 9 Sept 2022Last Modified: 22 Apr 2026
    Upstream:
    CVE-2022-2905

    Summary:

    Details: An out-of-bounds memory read flaw was found in the Linux kernel's BPF subsystem in how a user calls the bpf_tail_call function with a key larger than the max_entries of the map. This flaw allows a local user to gain unauthorized access to data.

    References: https://ubuntu.com/security/CVE-2022-2905, https://www.openwall.com/lists/oss-security/2022/08/26/1, https://ubuntu.com/security/notices/USN-5729-1, https://ubuntu.com/security/notices/USN-5729-2, https://www.cve.org/CVERecord?id=CVE-2022-2905

    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-2022-2905 | CVE-DB