PUB-A-174904705

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    PUB-A-174904705

    Published: 1 May 2021Last Modified: 18 Sept 2026

    Summary:

    Details: In vt_do_kdgkb_ioctl of keyboard.c, there is a possible use after free read due to a race condition. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.

    References: https://source.android.com/security/bulletin/2021-05-01, https://android.googlesource.com/kernel/common/+/82e61c3909db51d91b9d3e2071557b6435018b80

    Affected packages

    Package

    Name: :linux_kernel:

    Purl:

    Affected ranges

    Type: ECOSYSTEM

    Events:

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

    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-174904705 | CVE-DB