{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50702",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-24T10:53:15.517Z",
        "datePublished": "2025-12-24T10:55:17.831Z",
        "dateUpdated": "2026-05-11T19:23:50.676Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:23:50.676Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvdpa_sim: fix possible memory leak in vdpasim_net_init() and vdpasim_blk_init()\n\nInject fault while probing module, if device_register() fails in\nvdpasim_net_init() or vdpasim_blk_init(), but the refcount of kobject is\nnot decreased to 0, the name allocated in dev_set_name() is leaked.\nFix this by calling put_device(), so that name can be freed in\ncallback function kobject_cleanup().\n\n(vdpa_sim_net)\nunreferenced object 0xffff88807eebc370 (size 16):\n  comm \"modprobe\", pid 3848, jiffies 4362982860 (age 18.153s)\n  hex dump (first 16 bytes):\n    76 64 70 61 73 69 6d 5f 6e 65 74 00 6b 6b 6b a5  vdpasim_net.kkk.\n  backtrace:\n    [<ffffffff8174f19e>] __kmalloc_node_track_caller+0x4e/0x150\n    [<ffffffff81731d53>] kstrdup+0x33/0x60\n    [<ffffffff83a5d421>] kobject_set_name_vargs+0x41/0x110\n    [<ffffffff82d87aab>] dev_set_name+0xab/0xe0\n    [<ffffffff82d91a23>] device_add+0xe3/0x1a80\n    [<ffffffffa0270013>] 0xffffffffa0270013\n    [<ffffffff81001c27>] do_one_initcall+0x87/0x2e0\n    [<ffffffff813739cb>] do_init_module+0x1ab/0x640\n    [<ffffffff81379d20>] load_module+0x5d00/0x77f0\n    [<ffffffff8137bc40>] __do_sys_finit_module+0x110/0x1b0\n    [<ffffffff83c4d505>] do_syscall_64+0x35/0x80\n    [<ffffffff83e0006a>] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\n(vdpa_sim_blk)\nunreferenced object 0xffff8881070c1250 (size 16):\n  comm \"modprobe\", pid 6844, jiffies 4364069319 (age 17.572s)\n  hex dump (first 16 bytes):\n    76 64 70 61 73 69 6d 5f 62 6c 6b 00 6b 6b 6b a5  vdpasim_blk.kkk.\n  backtrace:\n    [<ffffffff8174f19e>] __kmalloc_node_track_caller+0x4e/0x150\n    [<ffffffff81731d53>] kstrdup+0x33/0x60\n    [<ffffffff83a5d421>] kobject_set_name_vargs+0x41/0x110\n    [<ffffffff82d87aab>] dev_set_name+0xab/0xe0\n    [<ffffffff82d91a23>] device_add+0xe3/0x1a80\n    [<ffffffffa0220013>] 0xffffffffa0220013\n    [<ffffffff81001c27>] do_one_initcall+0x87/0x2e0\n    [<ffffffff813739cb>] do_init_module+0x1ab/0x640\n    [<ffffffff81379d20>] load_module+0x5d00/0x77f0\n    [<ffffffff8137bc40>] __do_sys_finit_module+0x110/0x1b0\n    [<ffffffff83c4d505>] do_syscall_64+0x35/0x80\n    [<ffffffff83e0006a>] 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/vdpa/vdpa_sim/vdpa_sim_blk.c",
                        "drivers/vdpa/vdpa_sim/vdpa_sim_net.c"
                    ],
                    "versions": [
                        {
                            "version": "a3c06ae158dd6fa8336157c31d9234689d068d02",
                            "lessThan": "586e6fd7d581f987f7d0d2592edf0b26397e783e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a3c06ae158dd6fa8336157c31d9234689d068d02",
                            "lessThan": "5be953e353fe421f2983e1fd37f07fba97edbffc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a3c06ae158dd6fa8336157c31d9234689d068d02",
                            "lessThan": "337c24d817e28dd454ca22f1063dfad20822426e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a3c06ae158dd6fa8336157c31d9234689d068d02",
                            "lessThan": "aeca7ff254843d49a8739f07f7dab1341450111d",
                            "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/vdpa/vdpa_sim/vdpa_sim_blk.c",
                        "drivers/vdpa/vdpa_sim/vdpa_sim_net.c"
                    ],
                    "versions": [
                        {
                            "version": "5.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.12",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.87",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.19",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.5",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2",
                            "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": "5.12",
                                    "versionEndExcluding": "5.15.87"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.12",
                                    "versionEndExcluding": "6.0.19"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.12",
                                    "versionEndExcluding": "6.1.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.12",
                                    "versionEndExcluding": "6.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/586e6fd7d581f987f7d0d2592edf0b26397e783e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5be953e353fe421f2983e1fd37f07fba97edbffc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/337c24d817e28dd454ca22f1063dfad20822426e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/aeca7ff254843d49a8739f07f7dab1341450111d"
                }
            ],
            "title": "vdpa_sim: fix possible memory leak in vdpasim_net_init() and vdpasim_blk_init()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}