osv-2022-327
Vulnerability from osv_ossfuzz
Published
2022-04-10 00:01
Modified
2022-04-27 22:12
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
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "88532603ff2836249e576e902d322585fc2b3ed2:05ffea9775e75d7890c833bff3d2e9682072c736"
      },
      "ecosystem_specific": {
        "severity": null
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "qt",
        "purl": "pkg:generic/qt"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "b18959ad7ebe2311993348f779087b214bd7a72b"
            },
            {
              "fixed": "da5a55e034c74a42485358cf704e75467a62696e"
            },
            {
              "fixed": "a210635b6d8f7b94453914d6798a83b41964e7ea"
            },
            {
              "fixed": "830b1550de303dd59c29a87c28e44fa41112b8f4"
            },
            {
              "fixed": "05ffea9775e75d7890c833bff3d2e9682072c736"
            },
            {
              "fixed": "fd8441a97cdd212098aeb214b2a5b2caaf108e3c"
            }
          ],
          "repo": "git://code.qt.io/qt/qtbase.git",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=46525\n\nThe issue already existed before oss-fuzz could reproduce it. oss-fuzz found\nit after qdrawhelper routines were made multithreaded. There might be ways to\ntrigger the issue before that.\n\n```\nCrash type: Stack-use-after-return WRITE 8\nCrash state:\nQSemaphore::release\nstd::__1::__function::__func\u003cvoid handleSpans\u003cBlendSrcGeneric\u003e\nFunctionRunnable::run\n```\n",
  "id": "OSV-2022-327",
  "modified": "2022-04-27T22:12:36.132079Z",
  "published": "2022-04-10T00:01:12.211800Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=46525"
    },
    {
      "type": "REPORT",
      "url": "https://bugreports.qt.io/browse/QTBUG-102484"
    },
    {
      "type": "FIX",
      "url": "https://codereview.qt-project.org/c/qt/qtbase/+/406260"
    },
    {
      "type": "FIX",
      "url": "https://codereview.qt-project.org/c/qt/qtbase/+/406261"
    },
    {
      "type": "FIX",
      "url": "https://codereview.qt-project.org/c/qt/qtbase/+/405857"
    }
  ],
  "schema_version": "1.2.0",
  "summary": "Stack-use-after-return in QSemaphore::release"
}


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