{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-21803",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-12-29T08:45:45.771Z",
        "datePublished": "2025-02-27T20:00:56.932Z",
        "dateUpdated": "2026-05-11T21:06:50.207Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:06:50.207Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nLoongArch: Fix warnings during S3 suspend\n\nThe enable_gpe_wakeup() function calls acpi_enable_all_wakeup_gpes(),\nand the later one may call the preempt_schedule_common() function,\nresulting in a thread switch and causing the CPU to be in an interrupt\nenabled state after the enable_gpe_wakeup() function returns, leading\nto the warnings as follow.\n\n[ C0] WARNING: ... at kernel/time/timekeeping.c:845 ktime_get+0xbc/0xc8\n[ C0]          ...\n[ C0] Call Trace:\n[ C0] [<90000000002243b4>] show_stack+0x64/0x188\n[ C0] [<900000000164673c>] dump_stack_lvl+0x60/0x88\n[ C0] [<90000000002687e4>] __warn+0x8c/0x148\n[ C0] [<90000000015e9978>] report_bug+0x1c0/0x2b0\n[ C0] [<90000000016478e4>] do_bp+0x204/0x3b8\n[ C0] [<90000000025b1924>] exception_handlers+0x1924/0x10000\n[ C0] [<9000000000343bbc>] ktime_get+0xbc/0xc8\n[ C0] [<9000000000354c08>] tick_sched_timer+0x30/0xb0\n[ C0] [<90000000003408e0>] __hrtimer_run_queues+0x160/0x378\n[ C0] [<9000000000341f14>] hrtimer_interrupt+0x144/0x388\n[ C0] [<9000000000228348>] constant_timer_interrupt+0x38/0x48\n[ C0] [<90000000002feba4>] __handle_irq_event_percpu+0x64/0x1e8\n[ C0] [<90000000002fed48>] handle_irq_event_percpu+0x20/0x80\n[ C0] [<9000000000306b9c>] handle_percpu_irq+0x5c/0x98\n[ C0] [<90000000002fd4a0>] generic_handle_domain_irq+0x30/0x48\n[ C0] [<9000000000d0c7b0>] handle_cpu_irq+0x70/0xa8\n[ C0] [<9000000001646b30>] handle_loongarch_irq+0x30/0x48\n[ C0] [<9000000001646bc8>] do_vint+0x80/0xe0\n[ C0] [<90000000002aea1c>] finish_task_switch.isra.0+0x8c/0x2a8\n[ C0] [<900000000164e34c>] __schedule+0x314/0xa48\n[ C0] [<900000000164ead8>] schedule+0x58/0xf0\n[ C0] [<9000000000294a2c>] worker_thread+0x224/0x498\n[ C0] [<900000000029d2f0>] kthread+0xf8/0x108\n[ C0] [<9000000000221f28>] ret_from_kernel_thread+0xc/0xa4\n[ C0]\n[ C0] ---[ end trace 0000000000000000 ]---\n\nThe root cause is acpi_enable_all_wakeup_gpes() uses a mutex to protect\nacpi_hw_enable_all_wakeup_gpes(), and acpi_ut_acquire_mutex() may cause\na thread switch. Since there is no longer concurrent execution during\nloongarch_acpi_suspend(), we can call acpi_hw_enable_all_wakeup_gpes()\ndirectly in enable_gpe_wakeup().\n\nThe solution is similar to commit 22db06337f590d01 (\"ACPI: sleep: Avoid\nbreaking S3 wakeup due to might_sleep()\")."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/loongarch/power/platform.c",
                        "drivers/acpi/acpica/achware.h",
                        "include/acpi/acpixf.h"
                    ],
                    "versions": [
                        {
                            "version": "366bb35a8e48198cefcd3484ac6b2374d1347873",
                            "lessThan": "d49ab6857d98266010f3446c9c2063014db5b654",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "366bb35a8e48198cefcd3484ac6b2374d1347873",
                            "lessThan": "194d26a5a43c26dc98a9b4e2c1d521dcb84dd1bf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "366bb35a8e48198cefcd3484ac6b2374d1347873",
                            "lessThan": "8682a71a7f6de7c683f31b4334b04e19685a05f9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "366bb35a8e48198cefcd3484ac6b2374d1347873",
                            "lessThan": "26c0a2d93af55d30a46d5f45d3e9c42cde730168",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/loongarch/power/platform.c",
                        "drivers/acpi/acpica/achware.h",
                        "include/acpi/acpixf.h"
                    ],
                    "versions": [
                        {
                            "version": "6.2",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.2",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.76",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.13",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.13.2",
                            "lessThanOrEqual": "6.13.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.14",
                            "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": "6.2",
                                    "versionEndExcluding": "6.6.76"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.2",
                                    "versionEndExcluding": "6.12.13"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.2",
                                    "versionEndExcluding": "6.13.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.2",
                                    "versionEndExcluding": "6.14"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/d49ab6857d98266010f3446c9c2063014db5b654"
                },
                {
                    "url": "https://git.kernel.org/stable/c/194d26a5a43c26dc98a9b4e2c1d521dcb84dd1bf"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8682a71a7f6de7c683f31b4334b04e19685a05f9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/26c0a2d93af55d30a46d5f45d3e9c42cde730168"
                }
            ],
            "title": "LoongArch: Fix warnings during S3 suspend",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}