{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-53760",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-08T01:18:04.280Z",
        "datePublished": "2025-12-08T01:19:21.489Z",
        "dateUpdated": "2026-05-11T19:51:09.191Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:51:09.191Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ufs: core: mcq: Fix &hwq->cq_lock deadlock issue\n\nWhen ufshcd_err_handler() is executed, CQ event interrupt can enter waiting\nfor the same lock. This can happen in ufshcd_handle_mcq_cq_events() and\nalso in ufs_mtk_mcq_intr(). The following warning message will be generated\nwhen &hwq->cq_lock is used in IRQ context with IRQ enabled. Use\nufshcd_mcq_poll_cqe_lock() with spin_lock_irqsave instead of spin_lock to\nresolve the deadlock issue.\n\n[name:lockdep&]WARNING: inconsistent lock state\n[name:lockdep&]--------------------------------\n[name:lockdep&]inconsistent {IN-HARDIRQ-W} -> {HARDIRQ-ON-W} usage.\n[name:lockdep&]kworker/u16:4/260 [HC0[0]:SC0[0]:HE1:SE1] takes:\n  ffffff8028444600 (&hwq->cq_lock){?.-.}-{2:2}, at:\nufshcd_mcq_poll_cqe_lock+0x30/0xe0\n[name:lockdep&]{IN-HARDIRQ-W} state was registered at:\n  lock_acquire+0x17c/0x33c\n  _raw_spin_lock+0x5c/0x7c\n  ufshcd_mcq_poll_cqe_lock+0x30/0xe0\n  ufs_mtk_mcq_intr+0x60/0x1bc [ufs_mediatek_mod]\n  __handle_irq_event_percpu+0x140/0x3ec\n  handle_irq_event+0x50/0xd8\n  handle_fasteoi_irq+0x148/0x2b0\n  generic_handle_domain_irq+0x4c/0x6c\n  gic_handle_irq+0x58/0x134\n  call_on_irq_stack+0x40/0x74\n  do_interrupt_handler+0x84/0xe4\n  el1_interrupt+0x3c/0x78\n<snip>\n\nPossible unsafe locking scenario:\n       CPU0\n       ----\n  lock(&hwq->cq_lock);\n  <Interrupt>\n    lock(&hwq->cq_lock);\n  *** DEADLOCK ***\n2 locks held by kworker/u16:4/260:\n\n[name:lockdep&]\n stack backtrace:\nCPU: 7 PID: 260 Comm: kworker/u16:4 Tainted: G S      W  OE\n6.1.17-mainline-android14-2-g277223301adb #1\nWorkqueue: ufs_eh_wq_0 ufshcd_err_handler\n\n Call trace:\n  dump_backtrace+0x10c/0x160\n  show_stack+0x20/0x30\n  dump_stack_lvl+0x98/0xd8\n  dump_stack+0x20/0x60\n  print_usage_bug+0x584/0x76c\n  mark_lock_irq+0x488/0x510\n  mark_lock+0x1ec/0x25c\n  __lock_acquire+0x4d8/0xffc\n  lock_acquire+0x17c/0x33c\n  _raw_spin_lock+0x5c/0x7c\n  ufshcd_mcq_poll_cqe_lock+0x30/0xe0\n  ufshcd_poll+0x68/0x1b0\n  ufshcd_transfer_req_compl+0x9c/0xc8\n  ufshcd_err_handler+0x3bc/0xea0\n  process_one_work+0x2f4/0x7e8\n  worker_thread+0x234/0x450\n  kthread+0x110/0x134\n  ret_from_fork+0x10/0x20"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/ufs/core/ufs-mcq.c"
                    ],
                    "versions": [
                        {
                            "version": "ed975065c31c2a0372e13c19e8140b69814a98ba",
                            "lessThan": "2ce8c49c7b53e0a2258b833eeab16a6d78f732d1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ed975065c31c2a0372e13c19e8140b69814a98ba",
                            "lessThan": "948afc69615167a3c82430f99bfd046332b89912",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/ufs/core/ufs-mcq.c"
                    ],
                    "versions": [
                        {
                            "version": "6.3",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.3",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.3.3",
                            "lessThanOrEqual": "6.3.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.4",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3",
                                    "versionEndExcluding": "6.3.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3",
                                    "versionEndExcluding": "6.4"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/2ce8c49c7b53e0a2258b833eeab16a6d78f732d1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/948afc69615167a3c82430f99bfd046332b89912"
                }
            ],
            "title": "scsi: ufs: core: mcq: Fix &hwq->cq_lock deadlock issue",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}