ASB-A-509838226

    Dashboard / Vulnerabilities / ASB-A-509838226

    ASB-A-509838226

    Published: 1 Nov 2026Last Modified: 9 Nov 2026

    Summary:

    Details: In ep_remove of eventpoll.c, there is a possible use-after-free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

    References: https://source.android.com/security/bulletin/2026-11-01, https://android.googlesource.com/kernel/common/+/58c9b016e12855286370dfb704c08498edbc857a, https://android.googlesource.com/kernel/common/+/4a33cb8c9fe2dd18962c39568401e35b5de0ae59, https://android.googlesource.com/kernel/common/+/c7a8aea27b87b74f62a2b2a5d16100caa2cba79c, https://android.googlesource.com/kernel/common/+/5255cec633890d782c8a1daf792801eb527d0ac8, https://android.googlesource.com/kernel/common/+/035da2cab032309d387d2935543743fb36c722c3, https://android.googlesource.com/kernel/common/+/59f29da4ef0793f38ad1dbc01a9ee11bd4df636c, https://android.googlesource.com/kernel/common/+/b51793e6880dff374dfcd95f8335bfa1e556fadb, https://android.googlesource.com/kernel/common/+/e0384993ef8206abe4e644c0cb4bdb59d2c7bb4b, https://android.googlesource.com/kernel/common/+/02f217a4bffc8a00313bf52ebb96003d7ae1d5d8, https://android.googlesource.com/kernel/common/+/500d67e5110ab44ec1501113db76aa07287c112b, https://android.googlesource.com/kernel/common/+/690d6106eec64f970d6b2bf87599838b016b1b00, https://android.googlesource.com/kernel/common/+/3de54f8c502a7ac39095c2b5d30dfe8c17f8a411, https://android.googlesource.com/kernel/common/+/3dff0800fae61e0de35ef20694c86106da64266d, https://android.googlesource.com/kernel/common/+/64cea30f9b932d729e64a4098ad00d64e65f4813, https://android.googlesource.com/kernel/common/+/2d6bc6abd42ae07fa460c0a0de524ed439a61207, https://android.googlesource.com/kernel/common/+/f01453f20745731644a2bcc8c2a904e73f4db323, https://android.googlesource.com/kernel/common/+/257b1c2c78c25643526609dee0c15f1544eb3252, https://android.googlesource.com/kernel/common/+/58c9b016e12855286370dfb704c08498edbc857a

    Affected packages

    Package

    Name: :linux_kernel:

    Purl:

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- :0
    Fixed -:2026-11-05

    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
    ASB-A-509838226 | CVE-DB