PUB-A-190228658

    Dashboard / Vulnerabilities / PUB-A-190228658

    PUB-A-190228658

    Published: 1 Dec 2021Last Modified: 23 Sept 2026

    Summary:

    Details: In vt_disallocate and related functions of vt_ioctl.c, there is a possible out of bounds write due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

    References: https://source.android.com/security/bulletin/2021-12-01, https://android.googlesource.com/kernel/common/+/90bfdeef83f1d6c696039b6a917190dcbbad3220

    Affected packages

    Package

    Name: :linux_kernel:

    Purl:

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- :0
    Fixed -:2021-12-05

    Affected versions

    Kernel

    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
    PUB-A-190228658 | CVE-DB