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Such implementation potentially could result\nin a use after free of the request pointer when percpu_ref_put() is\ncalled in nvmet_req_complete().\n\nAvoid such problem by using a local variable to save the sq pointer\nbefore calling __nvmet_req_complete(), thus avoiding dereferencing the\nreq pointer after that function call."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: nvmet: evitar posible UAF en nvmet_req_complete(). La implementaci\u00f3n de la operaci\u00f3n nvme target ->queue_response() puede liberar la solicitud pasada como argumento. Esta implementaci\u00f3n podr\u00eda provocar un use after free del puntero de solicitud al llamar a percpu_ref_put() en nvmet_req_complete(). 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{"bugzilla": {"description": "kernel: nvmet: avoid potential UAF in nvmet_req_complete()", "id": "2363763", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363763"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnvmet: avoid potential UAF in nvmet_req_complete()\nAn nvme target ->queue_response() operation implementation may free the\nrequest passed as argument. Such implementation potentially could result\nin a use after free of the request pointer when percpu_ref_put() is\ncalled in nvmet_req_complete().\nAvoid such problem by using a local variable to save the sq pointer\nbefore calling __nvmet_req_complete(), thus avoiding dereferencing the\nreq pointer after that function call."], "name": "CVE-2023-53116", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-05-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53116\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53116\nhttps://lore.kernel.org/linux-cve-announce/2025050229-CVE-2023-53116-469c@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-12T22:23:59.274870+00:00", "updated": "2025-07-12T22:23:59.274938+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}