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    "cveMetadata": {
        "cveId": "CVE-2023-3389",
        "assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778",
        "state": "PUBLISHED",
        "assignerShortName": "Google",
        "dateReserved": "2023-06-23T13:43:00.034Z",
        "datePublished": "2023-06-28T19:33:55.097Z",
        "dateUpdated": "2024-08-02T06:55:02.753Z"
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                {
                    "defaultStatus": "unaffected",
                    "packageName": "kernel",
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                    "repo": "https://git.kernel.org",
                    "vendor": "Linux",
                    "versions": [
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                            "lessThan": "6.4",
                            "status": "affected",
                            "version": "5.13",
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            "credits": [
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                    "lang": "en",
                    "type": "finder",
                    "user": "00000000-0000-4000-9000-000000000000",
                    "value": "Querijn Voet"
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            "datePublic": "2023-06-18T02:21:00.000Z",
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                            "value": "A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation.<br><br><span style=\"background-color: rgb(255, 255, 255);\">Racing a io_uring cancel poll request with a linked timeout can cause a UAF in a hrtimer.</span><br><br>We recommend upgrading past commit ef7dfac51d8ed961b742218f526bd589f3900a59 (4716c73b188566865bdd79c3a6709696a224ac04 for 5.10 stable and&nbsp;0e388fce7aec40992eadee654193cad345d62663 for 5.15 stable).<br><br>"
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                    "value": "A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation.\n\nRacing a io_uring cancel poll request with a linked timeout can cause a UAF in a hrtimer.\n\nWe recommend upgrading past commit ef7dfac51d8ed961b742218f526bd589f3900a59 (4716c73b188566865bdd79c3a6709696a224ac04 for 5.10 stable and 0e388fce7aec40992eadee654193cad345d62663 for 5.15 stable).\n\n"
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                            "lang": "en",
                            "value": "CAPEC-233 Privilege Escalation"
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                        "baseScore": 7.8,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "LOW",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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                        {
                            "cweId": "CWE-416",
                            "description": "CWE-416 Use After Free",
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                "dateUpdated": "2023-07-10T16:48:01.844Z"
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            "source": {
                "discovery": "EXTERNAL"
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            "title": "Use after free in io_uring in the Linux Kernel",
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