{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-48975",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-08-22T01:27:53.631Z",
        "datePublished": "2024-10-21T20:05:55.091Z",
        "dateUpdated": "2026-05-11T18:50:46.796Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T18:50:46.796Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngpiolib: fix memory leak in gpiochip_setup_dev()\n\nHere is a backtrace report about memory leak detected in\ngpiochip_setup_dev():\n\nunreferenced object 0xffff88810b406400 (size 512):\n  comm \"python3\", pid 1682, jiffies 4295346908 (age 24.090s)\n  backtrace:\n    kmalloc_trace\n    device_add\t\tdevice_private_init at drivers/base/core.c:3361\n\t\t\t(inlined by) device_add at drivers/base/core.c:3411\n    cdev_device_add\n    gpiolib_cdev_register\n    gpiochip_setup_dev\n    gpiochip_add_data_with_key\n\ngcdev_register() & gcdev_unregister() would call device_add() &\ndevice_del() (no matter CONFIG_GPIO_CDEV is enabled or not) to\nregister/unregister device.\n\nHowever, if device_add() succeeds, some resource (like\nstruct device_private allocated by device_private_init())\nis not released by device_del().\n\nTherefore, after device_add() succeeds by gcdev_register(), it\nneeds to call put_device() to release resource in the error handle\npath.\n\nHere we move forward the register of release function, and let it\nrelease every piece of resource by put_device() instead of kfree().\n\nWhile at it, fix another subtle issue, i.e. when gc->ngpio is equal\nto 0, we still call kcalloc() and, in case of further error, kfree()\non the ZERO_PTR pointer, which is not NULL. It's not a bug per se,\nbut rather waste of the resources and potentially wrong expectation\nabout contents of the gdev->descs variable."
                }
            ],
            "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": "159f3cd92f17c61a4e2a47456de5865b114ef88e",
                            "lessThan": "6daaa84b621485fe28c401be18debf92ae8ef04a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "159f3cd92f17c61a4e2a47456de5865b114ef88e",
                            "lessThan": "371363716398ed718e389bea8c5e9843a79dde4e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "159f3cd92f17c61a4e2a47456de5865b114ef88e",
                            "lessThan": "ec851b23084b3a0af8bf0f5e51d33a8d678bdc49",
                            "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": "4.6",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.6",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.83",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.13",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1",
                            "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": "4.6",
                                    "versionEndExcluding": "5.15.83"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.6",
                                    "versionEndExcluding": "6.0.13"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.6",
                                    "versionEndExcluding": "6.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/6daaa84b621485fe28c401be18debf92ae8ef04a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/371363716398ed718e389bea8c5e9843a79dde4e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ec851b23084b3a0af8bf0f5e51d33a8d678bdc49"
                }
            ],
            "title": "gpiolib: fix memory leak in gpiochip_setup_dev()",
            "x_generator": {
                "engine": "bippy-1.2.0"
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        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2022-48975",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
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                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-10-22T13:18:35.922105Z"
                            }
                        }
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                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
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                    "dateUpdated": "2024-10-22T13:28:37.208Z"
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}