PUB-A-190011721

    Dashboard / Vulnerabilities / PUB-A-190011721

    PUB-A-190011721

    Published: 1 Dec 2021Last Modified: 23 Sept 2026

    Summary:

    Details: In retrieve_ptr_limit and related functions of verifier.c, there is a possible out of bounds write due to a heap buffer overflow. 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/+/4e2c7b297431, https://android.googlesource.com/kernel/common/+/c87ef240a8bb, https://android.googlesource.com/kernel/common/+/27acfd11ba17

    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-190011721 | CVE-DB