{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205"
            },
            {
              "fixed": "42dc0b7b55fe0499fc09183f34a1c46d1dcccf77"
            },
            {
              "fixed": "48caee2c106b03301c72fe389ebff00d852c58d5"
            },
            {
              "fixed": "dc176447c7279435c46735db7da81aed1ec25cc2"
            },
            {
              "fixed": "a02d5d7ad7ae5fa3756b8332f7350e973085dcb3"
            },
            {
              "fixed": "e4edeefb8d5bfceb2058e2b3291f4ae1e5a76e61"
            },
            {
              "fixed": "d354e523c6f740db758cafcd4c11bb7913285ed8"
            },
            {
              "fixed": "ef649703dce0df1364fcec3cdad9b32d1c522939"
            },
            {
              "fixed": "0021eb09041f021c079be1022934a280f7f176c0"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.7.0"
            },
            {
              "fixed": "5.10.261"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.212"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.178"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.145"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.97"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.40"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80605.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: picolcd: prevent NULL pointer dereference in picolcd_send_and_wait()\n\nIn picolcd_send_and_wait(), an integer overflow of the signed loop counter\n'k' can theoretically lead to a NULL pointer dereference of 'raw_data'.\nIf the loop executes more than INT_MAX times, 'k' becomes negative,\nmaking the condition 'k \u003c size' true even when 'size' is 0.\n\nChange the type of 'k' to 'unsigned int' to prevent the overflow and\neliminate the out-of-bounds access.\n\nFound by Linux Verification Center (linuxtesting.org) with the Svace static\nanalysis tool.\n\n[jkosina@suse.com: extended hash length]",
  "id": "CVE-2026-80605",
  "modified": "2026-08-30T03:30:23.660011689Z",
  "published": "2026-08-28T06:48:30.362Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0021eb09041f021c079be1022934a280f7f176c0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/42dc0b7b55fe0499fc09183f34a1c46d1dcccf77"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/48caee2c106b03301c72fe389ebff00d852c58d5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a02d5d7ad7ae5fa3756b8332f7350e973085dcb3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d354e523c6f740db758cafcd4c11bb7913285ed8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dc176447c7279435c46735db7da81aed1ec25cc2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e4edeefb8d5bfceb2058e2b3291f4ae1e5a76e61"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ef649703dce0df1364fcec3cdad9b32d1c522939"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80605.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80605"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "HID: picolcd: prevent NULL pointer dereference in picolcd_send_and_wait()"
}