{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-22986",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-01-13T15:37:45.936Z",
        "datePublished": "2026-01-23T15:24:07.932Z",
        "dateUpdated": "2026-05-11T21:57:47.442Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:57:47.442Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngpiolib: fix race condition for gdev->srcu\n\nIf two drivers were calling gpiochip_add_data_with_key(), one may be\ntraversing the srcu-protected list in gpio_name_to_desc(), meanwhile\nother has just added its gdev in gpiodev_add_to_list_unlocked().\nThis creates a non-mutexed and non-protected timeframe, when one\ninstance is dereferencing and using &gdev->srcu, before the other\nhas initialized it, resulting in crash:\n\n[    4.935481] Unable to handle kernel paging request at virtual address ffff800272bcc000\n[    4.943396] Mem abort info:\n[    4.943400]   ESR = 0x0000000096000005\n[    4.943403]   EC = 0x25: DABT (current EL), IL = 32 bits\n[    4.943407]   SET = 0, FnV = 0\n[    4.943410]   EA = 0, S1PTW = 0\n[    4.943413]   FSC = 0x05: level 1 translation fault\n[    4.943416] Data abort info:\n[    4.943418]   ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000\n[    4.946220]   CM = 0, WnR = 0, TnD = 0, TagAccess = 0\n[    4.955261]   GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0\n[    4.955268] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000038e6c000\n[    4.961449] [ffff800272bcc000] pgd=0000000000000000\n[    4.969203] , p4d=1000000039739003\n[    4.979730] , pud=0000000000000000\n[    4.980210] phandle (CPU): 0x0000005e, phandle (BE): 0x5e000000 for node \"reset\"\n[    4.991736] Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP\n...\n[    5.121359] pc : __srcu_read_lock+0x44/0x98\n[    5.131091] lr : gpio_name_to_desc+0x60/0x1a0\n[    5.153671] sp : ffff8000833bb430\n[    5.298440]\n[    5.298443] Call trace:\n[    5.298445]  __srcu_read_lock+0x44/0x98\n[    5.309484]  gpio_name_to_desc+0x60/0x1a0\n[    5.320692]  gpiochip_add_data_with_key+0x488/0xf00\n    5.946419] ---[ end trace 0000000000000000 ]---\n\nMove initialization code for gdev fields before it is added to\ngpio_devices, with adjacent initialization code.\nAdjust goto statements  to reflect modified order of operations\n\n[Bartosz: fixed a build issue, removed stray newline]"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/gpio/gpiolib.c"
                    ],
                    "versions": [
                        {
                            "version": "47d8b4c1d868148c8fb51b785a89e58ca2d02c4d",
                            "lessThan": "1ef731547dfd73f466c5d0e52801b97191d4647f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "47d8b4c1d868148c8fb51b785a89e58ca2d02c4d",
                            "lessThan": "fb674c8f1a5d8dd3113a7326030f963fa2d79c02",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "47d8b4c1d868148c8fb51b785a89e58ca2d02c4d",
                            "lessThan": "a7ac22d53d0990152b108c3f4fe30df45fcb0181",
                            "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/gpio/gpiolib.c"
                    ],
                    "versions": [
                        {
                            "version": "6.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.9",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.83",
                            "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": "6.9",
                                    "versionEndExcluding": "6.12.83"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.9",
                                    "versionEndExcluding": "6.18.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.9",
                                    "versionEndExcluding": "6.19"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/1ef731547dfd73f466c5d0e52801b97191d4647f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fb674c8f1a5d8dd3113a7326030f963fa2d79c02"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a7ac22d53d0990152b108c3f4fe30df45fcb0181"
                }
            ],
            "title": "gpiolib: fix race condition for gdev->srcu",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}