{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2022-50702",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-50702",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-12-24T10:55:17.831Z",
    "updatedAt": "2026-05-11T19:23:50.676Z",
    "importedAt": "2026-10-24T01:56:49.724Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "vdpa_sim: fix possible memory leak in vdpasim_net_init() and vdpasim_blk_init()",
      "summary": "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": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "a3c06ae158dd6fa8336157c31d9234689d068d02",
              "status": "affected",
              "versionType": "git",
              "lessThan": "586e6fd7d581f987f7d0d2592edf0b26397e783e"
            },
            {
              "version": "a3c06ae158dd6fa8336157c31d9234689d068d02",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5be953e353fe421f2983e1fd37f07fba97edbffc"
            },
            {
              "version": "a3c06ae158dd6fa8336157c31d9234689d068d02",
              "status": "affected",
              "versionType": "git",
              "lessThan": "337c24d817e28dd454ca22f1063dfad20822426e"
            },
            {
              "version": "a3c06ae158dd6fa8336157c31d9234689d068d02",
              "status": "affected",
              "versionType": "git",
              "lessThan": "aeca7ff254843d49a8739f07f7dab1341450111d"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.12",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.12"
            },
            {
              "version": "5.15.87",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.0.19",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "version": "6.1.5",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.2",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}