{
  "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-2022-50206",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-50206",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-06-18T11:03:46.505Z",
    "updatedAt": "2026-08-15T12:23:12.137Z",
    "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": "arm64: fix oops in concurrently setting insn_emulation sysctls",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\narm64: fix oops in concurrently setting insn_emulation sysctls\n\nemulation_proc_handler() changes table->data for proc_dointvec_minmax\nand can generate the following Oops if called concurrently with itself:\n\n | Unable to handle kernel NULL pointer dereference at virtual address 0000000000000010\n | Internal error: Oops: 96000006 [#1] SMP\n | Call trace:\n | update_insn_emulation_mode+0xc0/0x148\n | emulation_proc_handler+0x64/0xb8\n | proc_sys_call_handler+0x9c/0xf8\n | proc_sys_write+0x18/0x20\n | __vfs_write+0x20/0x48\n | vfs_write+0xe4/0x1d0\n | ksys_write+0x70/0xf8\n | __arm64_sys_write+0x20/0x28\n | el0_svc_common.constprop.0+0x7c/0x1c0\n | el0_svc_handler+0x2c/0xa0\n | el0_svc+0x8/0x200\n\nTo fix this issue, keep the table->data as &insn->current_mode and\nuse container_of() to retrieve the insn pointer. Another mutex is\nused to protect against the current_mode update but not for retrieving\ninsn_emulation as table->data is no longer changing.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "587064b610c703f259317d00dc37bf6d40f4fc74",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9d5fec6ba2e4117d196a8259ab54615ffe562460"
            },
            {
              "version": "587064b610c703f259317d00dc37bf6d40f4fc74",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b51881b1da57fe9877125dfdd0aac5172958fcfd"
            },
            {
              "version": "587064b610c703f259317d00dc37bf6d40f4fc74",
              "status": "affected",
              "versionType": "git",
              "lessThan": "04549063d5701976034d8c2bfda3d3a8cbf0409f"
            },
            {
              "version": "587064b610c703f259317d00dc37bf6d40f4fc74",
              "status": "affected",
              "versionType": "git",
              "lessThan": "353b4673d01c512303c45cf2346f630cda73b5c9"
            },
            {
              "version": "587064b610c703f259317d00dc37bf6d40f4fc74",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cc69ef95988b9ef2fc730ec452a7441efb90ef5e"
            },
            {
              "version": "587064b610c703f259317d00dc37bf6d40f4fc74",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6a2fd114678d7fc1b5a0f8865ae98f1c17787455"
            },
            {
              "version": "587064b610c703f259317d00dc37bf6d40f4fc74",
              "status": "affected",
              "versionType": "git",
              "lessThan": "07022e07017ee5540f5559b0aeb916e8383c1e1a"
            },
            {
              "version": "587064b610c703f259317d00dc37bf6d40f4fc74",
              "status": "affected",
              "versionType": "git",
              "lessThan": "af483947d472eccb79e42059276c4deed76f99a6"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.19",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.19"
            },
            {
              "version": "4.14.291",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.256",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.211",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.137",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.61",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.18.18",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.18.*"
            },
            {
              "version": "5.19.2",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.19.*"
            },
            {
              "version": "6.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}