{
  "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-2022-50102",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-50102",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-06-18T11:02:38.099Z",
    "updatedAt": "2026-05-11T19:12:52.428Z",
    "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": "video: fbdev: arkfb: Fix a divide-by-zero bug in ark_set_pixclock()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nvideo: fbdev: arkfb: Fix a divide-by-zero bug in ark_set_pixclock()\n\nSince the user can control the arguments of the ioctl() from the user\nspace, under special arguments that may result in a divide-by-zero bug\nin:\n  drivers/video/fbdev/arkfb.c:784: ark_set_pixclock(info, (hdiv * info->var.pixclock) / hmul);\nwith hdiv=1, pixclock=1 and hmul=2 you end up with (1*1)/2 = (int) 0.\nand then in:\n  drivers/video/fbdev/arkfb.c:504: rv = dac_set_freq(par->dac, 0, 1000000000 / pixclock);\nwe'll get a division-by-zero.\n\nThe following log can reveal it:\n\ndivide error: 0000 [#1] PREEMPT SMP KASAN PTI\nRIP: 0010:ark_set_pixclock drivers/video/fbdev/arkfb.c:504 [inline]\nRIP: 0010:arkfb_set_par+0x10fc/0x24c0 drivers/video/fbdev/arkfb.c:784\nCall Trace:\n fb_set_var+0x604/0xeb0 drivers/video/fbdev/core/fbmem.c:1034\n do_fb_ioctl+0x234/0x670 drivers/video/fbdev/core/fbmem.c:1110\n fb_ioctl+0xdd/0x130 drivers/video/fbdev/core/fbmem.c:1189\n\nFix this by checking the argument of ark_set_pixclock() first.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "681e14730c73cc2c71af282c001de6bc71c22f00",
              "status": "affected",
              "versionType": "git",
              "lessThan": "76b3f0a0b56e53a960a14624a0f48b3d94b5e7e7"
            },
            {
              "version": "681e14730c73cc2c71af282c001de6bc71c22f00",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b9a66f23612b84617e04412169e155a4b92f632d"
            },
            {
              "version": "681e14730c73cc2c71af282c001de6bc71c22f00",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a249e1b89ca25e1c34bdf96154e3f6224a91a9af"
            },
            {
              "version": "681e14730c73cc2c71af282c001de6bc71c22f00",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0288fa799e273b08839037499d704dc7bdc13e9a"
            },
            {
              "version": "681e14730c73cc2c71af282c001de6bc71c22f00",
              "status": "affected",
              "versionType": "git",
              "lessThan": "236c1502520b7b08955467ec2e50b3232e34f1f9"
            },
            {
              "version": "681e14730c73cc2c71af282c001de6bc71c22f00",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9ebc5031958c1f3a2795e4533b4091d77c738d14"
            },
            {
              "version": "681e14730c73cc2c71af282c001de6bc71c22f00",
              "status": "affected",
              "versionType": "git",
              "lessThan": "15661642511b2b192077684a89f42a8d95d54286"
            },
            {
              "version": "681e14730c73cc2c71af282c001de6bc71c22f00",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2f1c4523f7a3aaabe7e53d3ebd378292947e95c8"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.22",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.22"
            },
            {
              "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": "*"
            }
          ]
        }
      ]
    }
  }
}