{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-71180",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-01-31T11:36:51.183Z",
        "datePublished": "2026-01-31T11:38:52.481Z",
        "dateUpdated": "2026-05-11T21:56:12.391Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:56:12.391Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncounter: interrupt-cnt: Drop IRQF_NO_THREAD flag\n\nAn IRQ handler can either be IRQF_NO_THREAD or acquire spinlock_t, as\nCONFIG_PROVE_RAW_LOCK_NESTING warns:\n=============================\n[ BUG: Invalid wait context ]\n6.18.0-rc1+git... #1\n-----------------------------\nsome-user-space-process/1251 is trying to lock:\n(&counter->events_list_lock){....}-{3:3}, at: counter_push_event [counter]\nother info that might help us debug this:\ncontext-{2:2}\nno locks held by some-user-space-process/....\nstack backtrace:\nCPU: 0 UID: 0 PID: 1251 Comm: some-user-space-process 6.18.0-rc1+git... #1 PREEMPT\nCall trace:\n show_stack (C)\n dump_stack_lvl\n dump_stack\n __lock_acquire\n lock_acquire\n _raw_spin_lock_irqsave\n counter_push_event [counter]\n interrupt_cnt_isr [interrupt_cnt]\n __handle_irq_event_percpu\n handle_irq_event\n handle_simple_irq\n handle_irq_desc\n generic_handle_domain_irq\n gpio_irq_handler\n handle_irq_desc\n generic_handle_domain_irq\n gic_handle_irq\n call_on_irq_stack\n do_interrupt_handler\n el0_interrupt\n __el0_irq_handler_common\n el0t_64_irq_handler\n el0t_64_irq\n\n... and Sebastian correctly points out. Remove IRQF_NO_THREAD as an\nalternative to switching to raw_spinlock_t, because the latter would limit\nall potential nested locks to raw_spinlock_t only."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/counter/interrupt-cnt.c"
                    ],
                    "versions": [
                        {
                            "version": "a55ebd47f21f6f0472766fb52c973849e31d1466",
                            "lessThan": "ef668c9a2261ec9287faba6e6ef05a98b391aa2b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a55ebd47f21f6f0472766fb52c973849e31d1466",
                            "lessThan": "51d2e5d6491447258cb39ff1deb93df15d3c23cb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a55ebd47f21f6f0472766fb52c973849e31d1466",
                            "lessThan": "1c5a3175aecf82cd86dfcbef2a23e8b26d8d8e7c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a55ebd47f21f6f0472766fb52c973849e31d1466",
                            "lessThan": "49a66829dd3653695e60d7cae13521d131362fcd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a55ebd47f21f6f0472766fb52c973849e31d1466",
                            "lessThan": "425886b1f8304621b3f16632b274357067d5f13f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a55ebd47f21f6f0472766fb52c973849e31d1466",
                            "lessThan": "23f9485510c338476b9735d516c1d4aacb810d46",
                            "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/counter/interrupt-cnt.c"
                    ],
                    "versions": [
                        {
                            "version": "5.13",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.13",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.198",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.161",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.121",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.66",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.6",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19",
                            "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": "5.13",
                                    "versionEndExcluding": "5.15.198"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "6.1.161"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "6.6.121"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "6.12.66"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "6.18.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "6.19"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/ef668c9a2261ec9287faba6e6ef05a98b391aa2b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/51d2e5d6491447258cb39ff1deb93df15d3c23cb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1c5a3175aecf82cd86dfcbef2a23e8b26d8d8e7c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/49a66829dd3653695e60d7cae13521d131362fcd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/425886b1f8304621b3f16632b274357067d5f13f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/23f9485510c338476b9735d516c1d4aacb810d46"
                }
            ],
            "title": "counter: interrupt-cnt: Drop IRQF_NO_THREAD flag",
            "x_generator": {
                "engine": "bippy-1.2.0"
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}