{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "4c2703dfd7fabb0824b3bc345f9fa47e33248c14"
            },
            {
              "fixed": "38a3afbf9fd8a2e8c47fa3ca47b425a8a9623240"
            },
            {
              "fixed": "0fbcceb9d19f2d1dcdf099aee590f2517cb718bb"
            },
            {
              "fixed": "e0f382e8084117f0b11ffb070fe1079e38c0d7f9"
            },
            {
              "fixed": "6fad06bb793d7089ae05b9fcf46e11be2dfe4850"
            },
            {
              "fixed": "470ac9cce7308e60cf2dceb448749cdd006e73de"
            },
            {
              "fixed": "363e048a9d0a6c245cbc348c8a220170afed046a"
            },
            {
              "fixed": "7fa8a12296d8d5aa4b1c3904f0b354d81124cf29"
            },
            {
              "fixed": "8ae344eb540af3f457179b52bc6061416752485c"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.10.0"
            },
            {
              "fixed": "5.10.265"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.216"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.183"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.152"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.104"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.45"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74693.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: prestera: validate firmware header length\n\nprestera_fw_hdr_parse() reads the firmware header before checking\nthat the firmware image contains that header.\n\nReject images shorter than struct prestera_fw_header before decoding the\nmagic and version fields.",
  "id": "CVE-2026-74693",
  "modified": "2026-08-24T11:36:15.914744678Z",
  "published": "2026-08-22T15:32:56.491Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0fbcceb9d19f2d1dcdf099aee590f2517cb718bb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/363e048a9d0a6c245cbc348c8a220170afed046a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/38a3afbf9fd8a2e8c47fa3ca47b425a8a9623240"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/470ac9cce7308e60cf2dceb448749cdd006e73de"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6fad06bb793d7089ae05b9fcf46e11be2dfe4850"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7fa8a12296d8d5aa4b1c3904f0b354d81124cf29"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8ae344eb540af3f457179b52bc6061416752485c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e0f382e8084117f0b11ffb070fe1079e38c0d7f9"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74693.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74693"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "net: prestera: validate firmware header length"
}