{
  "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-2024-50133",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-50133",
    "idYear": 2024,
    "status": "PUBLISHED",
    "publishedAt": "2024-11-05T17:10:58.264Z",
    "updatedAt": "2026-05-11T20:46:04.800Z",
    "importedAt": "2026-10-24T01:57:20.494Z",
    "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": "LoongArch: Don't crash in stack_top() for tasks without vDSO",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nLoongArch: Don't crash in stack_top() for tasks without vDSO\n\nNot all tasks have a vDSO mapped, for example kthreads never do. If such\na task ever ends up calling stack_top(), it will derefence the NULL vdso\npointer and crash.\n\nThis can for example happen when using kunit:\n\n\t[<9000000000203874>] stack_top+0x58/0xa8\n\t[<90000000002956cc>] arch_pick_mmap_layout+0x164/0x220\n\t[<90000000003c284c>] kunit_vm_mmap_init+0x108/0x12c\n\t[<90000000003c1fbc>] __kunit_add_resource+0x38/0x8c\n\t[<90000000003c2704>] kunit_vm_mmap+0x88/0xc8\n\t[<9000000000410b14>] usercopy_test_init+0xbc/0x25c\n\t[<90000000003c1db4>] kunit_try_run_case+0x5c/0x184\n\t[<90000000003c3d54>] kunit_generic_run_threadfn_adapter+0x24/0x48\n\t[<900000000022e4bc>] kthread+0xc8/0xd4\n\t[<9000000000200ce8>] ret_from_kernel_thread+0xc/0xa4",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "803b0fc5c3f2baa6e54978cd576407896f789b08",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a67d4a02bf43e15544179895ede7d5f97b84b550"
            },
            {
              "version": "803b0fc5c3f2baa6e54978cd576407896f789b08",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a94c197d4d749954dfaa37e907fcc8c04e4aad7e"
            },
            {
              "version": "803b0fc5c3f2baa6e54978cd576407896f789b08",
              "status": "affected",
              "versionType": "git",
              "lessThan": "041cc3860b06770357876d1114d615333b0fbf31"
            },
            {
              "version": "803b0fc5c3f2baa6e54978cd576407896f789b08",
              "status": "affected",
              "versionType": "git",
              "lessThan": "134475a9ab8487527238d270639a8cb74c10aab2"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.19",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.19"
            },
            {
              "version": "6.1.115",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.59",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.11.6",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.11.*"
            },
            {
              "version": "6.12",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}