{
  "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-2022-49926",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49926",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-05-01T14:11:04.691Z",
    "updatedAt": "2026-05-11T19:09:23.124Z",
    "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": "net: dsa: Fix possible memory leaks in dsa_loop_init()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: Fix possible memory leaks in dsa_loop_init()\n\nkmemleak reported memory leaks in dsa_loop_init():\n\nkmemleak: 12 new suspected memory leaks\n\nunreferenced object 0xffff8880138ce000 (size 2048):\n  comm \"modprobe\", pid 390, jiffies 4295040478 (age 238.976s)\n  backtrace:\n    [<000000006a94f1d5>] kmalloc_trace+0x26/0x60\n    [<00000000a9c44622>] phy_device_create+0x5d/0x970\n    [<00000000d0ee2afc>] get_phy_device+0xf3/0x2b0\n    [<00000000dca0c71f>] __fixed_phy_register.part.0+0x92/0x4e0\n    [<000000008a834798>] fixed_phy_register+0x84/0xb0\n    [<0000000055223fcb>] dsa_loop_init+0xa9/0x116 [dsa_loop]\n    ...\n\nThere are two reasons for memleak in dsa_loop_init().\n\nFirst, fixed_phy_register() create and register phy_device:\n\nfixed_phy_register()\n  get_phy_device()\n    phy_device_create() # freed by phy_device_free()\n  phy_device_register() # freed by phy_device_remove()\n\nBut fixed_phy_unregister() only calls phy_device_remove().\nSo the memory allocated in phy_device_create() is leaked.\n\nSecond, when mdio_driver_register() fail in dsa_loop_init(),\nit just returns and there is no cleanup for phydevs.\n\nFix the problems by catching the error of mdio_driver_register()\nin dsa_loop_init(), then calling both fixed_phy_unregister() and\nphy_device_free() to release phydevs.\nAlso add a function for phydevs cleanup to avoid duplacate.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "98cd1552ea27e512c7e99e2aa76042a26e4fb25c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "935b4beb724946a37cebf97191592d4879d3a3a3"
            },
            {
              "version": "98cd1552ea27e512c7e99e2aa76042a26e4fb25c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d593e1ede655b74c42e4e4fe285ea64aee96fb5c"
            },
            {
              "version": "98cd1552ea27e512c7e99e2aa76042a26e4fb25c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "bbc5d7b46a729bfcbb5544f6612b7a67dd4f4d6f"
            },
            {
              "version": "98cd1552ea27e512c7e99e2aa76042a26e4fb25c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "37a098fc9b42bd7fce66764866aa514639667b6e"
            },
            {
              "version": "98cd1552ea27e512c7e99e2aa76042a26e4fb25c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9f555b1584fc2d5d16ee3c4d9438e93ac7c502c7"
            },
            {
              "version": "98cd1552ea27e512c7e99e2aa76042a26e4fb25c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4d2024b138d9f7b02ae13ee997fd3a71e9e46254"
            },
            {
              "version": "98cd1552ea27e512c7e99e2aa76042a26e4fb25c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "633efc8b3dc96f56f5a57f2a49764853a2fa3f50"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.12",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.12"
            },
            {
              "version": "4.14.299",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.265",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.224",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.154",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.78",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.0.8",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "version": "6.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}