{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50772",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-24T13:02:21.547Z",
        "datePublished": "2025-12-24T13:06:01.170Z",
        "dateUpdated": "2026-05-11T19:25:14.704Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:25:14.704Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetdevsim: fix memory leak in nsim_bus_dev_new()\n\nIf device_register() failed in nsim_bus_dev_new(), the value of reference\nin nsim_bus_dev->dev is 1. obj->name in nsim_bus_dev->dev will not be\nreleased.\n\nunreferenced object 0xffff88810352c480 (size 16):\n  comm \"echo\", pid 5691, jiffies 4294945921 (age 133.270s)\n  hex dump (first 16 bytes):\n    6e 65 74 64 65 76 73 69 6d 31 00 00 00 00 00 00  netdevsim1......\n  backtrace:\n    [<000000005e2e5e26>] __kmalloc_node_track_caller+0x3a/0xb0\n    [<0000000094ca4fc8>] kvasprintf+0xc3/0x160\n    [<00000000aad09bcc>] kvasprintf_const+0x55/0x180\n    [<000000009bac868d>] kobject_set_name_vargs+0x56/0x150\n    [<000000007c1a5d70>] dev_set_name+0xbb/0xf0\n    [<00000000ad0d126b>] device_add+0x1f8/0x1cb0\n    [<00000000c222ae24>] new_device_store+0x3b6/0x5e0\n    [<0000000043593421>] bus_attr_store+0x72/0xa0\n    [<00000000cbb1833a>] sysfs_kf_write+0x106/0x160\n    [<00000000d0dedb8a>] kernfs_fop_write_iter+0x3a8/0x5a0\n    [<00000000770b66e2>] vfs_write+0x8f0/0xc80\n    [<0000000078bb39be>] ksys_write+0x106/0x210\n    [<00000000005e55a4>] do_syscall_64+0x35/0x80\n    [<00000000eaa40bbc>] entry_SYSCALL_64_after_hwframe+0x46/0xb0"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/netdevsim/bus.c"
                    ],
                    "versions": [
                        {
                            "version": "40e4fe4ce115c409c3e2fbb247085103ef1cc755",
                            "lessThan": "77579e4065295071fbd9662f03430dca5b50b086",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "40e4fe4ce115c409c3e2fbb247085103ef1cc755",
                            "lessThan": "cf2010aa1c739bab067cbc90b690d28eaa0b47da",
                            "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/net/netdevsim/bus.c"
                    ],
                    "versions": [
                        {
                            "version": "5.2",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.2",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.7",
                            "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": "5.2",
                                    "versionEndExcluding": "6.0.7"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.2",
                                    "versionEndExcluding": "6.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/77579e4065295071fbd9662f03430dca5b50b086"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cf2010aa1c739bab067cbc90b690d28eaa0b47da"
                }
            ],
            "title": "netdevsim: fix memory leak in nsim_bus_dev_new()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}