{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2023-52903",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-08-21T06:07:11.014Z",
        "datePublished": "2024-08-21T06:10:43.857Z",
        "dateUpdated": "2024-09-12T17:33:14.061Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-08-21T06:10:43.857Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring: lock overflowing for IOPOLL\n\nsyzbot reports an issue with overflow filling for IOPOLL:\n\nWARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734\nCPU: 0 PID: 28 Comm: kworker/u4:1 Not tainted 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0\nWorkqueue: events_unbound io_ring_exit_work\nCall trace:\n io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734\n io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773\n io_fill_cqe_req io_uring/io_uring.h:168 [inline]\n io_do_iopoll+0x474/0x62c io_uring/rw.c:1065\n io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513\n io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056\n io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869\n process_one_work+0x2d8/0x504 kernel/workqueue.c:2289\n worker_thread+0x340/0x610 kernel/workqueue.c:2436\n kthread+0x12c/0x158 kernel/kthread.c:376\n ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863\n\nThere is no real problem for normal IOPOLL as flush is also called with\nuring_lock taken, but it's getting more complicated for IOPOLL|SQPOLL,\nfor which __io_cqring_overflow_flush() happens from the CQ waiting path."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "io_uring/rw.c"
                    ],
                    "versions": [
                        {
                            "version": "1da177e4c3f4",
                            "lessThan": "de77faee2801",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f4",
                            "lessThan": "ed4629d1e968",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f4",
                            "lessThan": "7fc3990dad04",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f4",
                            "lessThan": "544d163d659d",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "io_uring/rw.c"
                    ],
                    "versions": [
                        {
                            "version": "5.10.165",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.15.89",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.1.7",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/de77faee280163ff03b7ab64af6c9d779a43d4c4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ed4629d1e968359fbb91d0a3780b1e86a2c08845"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7fc3990dad04a677606337ebc61964094d6cb41b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/544d163d659d45a206d8929370d5a2984e546cb7"
                }
            ],
            "title": "io_uring: lock overflowing for IOPOLL",
            "x_generator": {
                "engine": "bippy-c9c4e1df01b2"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2023-52903",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-09-10T16:03:21.069603Z"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-09-12T17:33:14.061Z"
                }
            }
        ]
    }
}