{
  "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-2024-56769",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-56769",
    "idYear": 2024,
    "status": "PUBLISHED",
    "publishedAt": "2025-01-06T16:20:46.838Z",
    "updatedAt": "2026-05-11T20:58:43.110Z",
    "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": "media: dvb-frontends: dib3000mb: fix uninit-value in dib3000_write_reg",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: dvb-frontends: dib3000mb: fix uninit-value in dib3000_write_reg\n\nSyzbot reports [1] an uninitialized value issue found by KMSAN in\ndib3000_read_reg().\n\nLocal u8 rb[2] is used in i2c_transfer() as a read buffer; in case\nthat call fails, the buffer may end up with some undefined values.\n\nSince no elaborate error handling is expected in dib3000_write_reg(),\nsimply zero out rb buffer to mitigate the problem.\n\n[1] Syzkaller report\ndvb-usb: bulk message failed: -22 (6/0)\n=====================================================\nBUG: KMSAN: uninit-value in dib3000mb_attach+0x2d8/0x3c0 drivers/media/dvb-frontends/dib3000mb.c:758\n dib3000mb_attach+0x2d8/0x3c0 drivers/media/dvb-frontends/dib3000mb.c:758\n dibusb_dib3000mb_frontend_attach+0x155/0x2f0 drivers/media/usb/dvb-usb/dibusb-mb.c:31\n dvb_usb_adapter_frontend_init+0xed/0x9a0 drivers/media/usb/dvb-usb/dvb-usb-dvb.c:290\n dvb_usb_adapter_init drivers/media/usb/dvb-usb/dvb-usb-init.c:90 [inline]\n dvb_usb_init drivers/media/usb/dvb-usb/dvb-usb-init.c:186 [inline]\n dvb_usb_device_init+0x25a8/0x3760 drivers/media/usb/dvb-usb/dvb-usb-init.c:310\n dibusb_probe+0x46/0x250 drivers/media/usb/dvb-usb/dibusb-mb.c:110\n...\nLocal variable rb created at:\n dib3000_read_reg+0x86/0x4e0 drivers/media/dvb-frontends/dib3000mb.c:54\n dib3000mb_attach+0x123/0x3c0 drivers/media/dvb-frontends/dib3000mb.c:758\n...",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "74340b0a8bc60b400c7e5fe4950303aa6f914d16",
              "status": "affected",
              "versionType": "git",
              "lessThan": "035772fcd631eee2756b31cb6df249c0a8d453d7"
            },
            {
              "version": "74340b0a8bc60b400c7e5fe4950303aa6f914d16",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e11778189513cd7fb2edced5bd053bc18ede8418"
            },
            {
              "version": "74340b0a8bc60b400c7e5fe4950303aa6f914d16",
              "status": "affected",
              "versionType": "git",
              "lessThan": "53106510736e734ce8b731ba871363389bfbf4c9"
            },
            {
              "version": "74340b0a8bc60b400c7e5fe4950303aa6f914d16",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3876e3a1c31a58a352c6bf5d2a90e3304445a637"
            },
            {
              "version": "74340b0a8bc60b400c7e5fe4950303aa6f914d16",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1d6de21f00293d819b5ca6dbe75ff1f3b6392140"
            },
            {
              "version": "74340b0a8bc60b400c7e5fe4950303aa6f914d16",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c1197c1457bb7098cf46366e898eb52b41b6876a"
            },
            {
              "version": "74340b0a8bc60b400c7e5fe4950303aa6f914d16",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2dd59fe0e19e1ab955259978082b62e5751924c7"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.19",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.19"
            },
            {
              "version": "5.4.289",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.233",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.176",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.123",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.69",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.8",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.13",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}