OSV-2022-327

    Dashboard / Vulnerabilities / OSV-2022-327

    OSV-2022-327

    Published: 10 Apr 2022Last Modified: 27 Apr 2022

    Summary: Stack-use-after-return in QSemaphore::release

    Details: OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=46525 The issue already existed before oss-fuzz could reproduce it. oss-fuzz found it after qdrawhelper routines were made multithreaded. There might be ways to trigger the issue before that. ``` Crash type: Stack-use-after-return WRITE 8 Crash state: QSemaphore::release std::__1::__function::__func<void handleSpans<BlendSrcGeneric> FunctionRunnable::run ```

    References: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=46525, https://bugreports.qt.io/browse/QTBUG-102484, https://codereview.qt-project.org/c/qt/qtbase/+/406260, https://codereview.qt-project.org/c/qt/qtbase/+/406261, https://codereview.qt-project.org/c/qt/qtbase/+/405857

    Affected packages

    Package

    Name: qt

    Purl: pkg:generic/qt

    Affected ranges

    Type: GIT

    Events:

    Introduced- b18959ad7ebe2311993348f779087b214bd7a72b
    Fixed -da5a55e034c74a42485358cf704e75467a62696e

    Affected versions

    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
    OSV-2022-327 | CVE-DB