UBUNTU-CVE-2022-41222

    Dashboard / Vulnerabilities / UBUNTU-CVE-2022-41222

    UBUNTU-CVE-2022-41222

    Published: 21 Sept 2022Last Modified: 9 Sept 2026
    Upstream:
    CVE-2022-41222

    Summary:

    Details: mm/mremap.c in the Linux kernel before 5.13.3 has a use-after-free via a stale TLB because an rmap lock is not held during a PUD move.

    References: https://ubuntu.com/security/CVE-2022-41222, https://bugs.chromium.org/p/project-zero/issues/detail?id=2347, https://git.kernel.org/linus/97113eb39fa7972722ff490b947d8af023e1f6a2, https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3, https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2, http://packetstormsecurity.com/files/168466/Linux-Stable-5.4-5.10-Use-After-Free-Race-Condition.html, https://ubuntu.com/security/notices/USN-5728-1, https://ubuntu.com/security/notices/USN-5728-2, https://ubuntu.com/security/notices/USN-5728-3, https://www.cve.org/CVERecord?id=CVE-2022-41222

    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-2022-41222 | CVE-DB