{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "05be1d079ec0b3691783e4384b1ada82149ff7d2"
            },
            {
              "fixed": "063b4c6a6f3fc01bca085c442000c9c100fdbd93"
            },
            {
              "fixed": "bb502d79acb9ac1e0a77fa8bc7b7b4729140b11f"
            },
            {
              "fixed": "ca92c98b806839c108995b2bbff7061515bdfb53"
            },
            {
              "fixed": "81b07470cb2937ceb74b00be88151582a322433b"
            },
            {
              "fixed": "6f6d5fe29efdf5001bc146fc292e6592cace93eb"
            },
            {
              "fixed": "83c265bfc084d77e2171d4b67362150ab38c935b"
            },
            {
              "fixed": "1842e47126816e56d30c4f856f9854fd7831066c"
            },
            {
              "fixed": "296736076b3fd078742651c719555a488624023a"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.0.0"
            },
            {
              "fixed": "5.10.266"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.217"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.184"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.153"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.105"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.46"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80574.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: focaltech - fix array out-of-bounds in focaltech_process_rel_packet\n\nMake finger2 (and also finger1) unsigned, so that if the finger index in\nthe packet is 0 then subtracting 1 creates an array index which overflows\nabove the existing check for FOC_MAX_FINGERS, as the existing comment says\nit should, instead of writing to state-\u003efingers[-1].",
  "id": "CVE-2026-80574",
  "modified": "2026-08-28T03:31:00.308148195Z",
  "published": "2026-08-26T14:37:34.353Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/063b4c6a6f3fc01bca085c442000c9c100fdbd93"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1842e47126816e56d30c4f856f9854fd7831066c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/296736076b3fd078742651c719555a488624023a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6f6d5fe29efdf5001bc146fc292e6592cace93eb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/81b07470cb2937ceb74b00be88151582a322433b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/83c265bfc084d77e2171d4b67362150ab38c935b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bb502d79acb9ac1e0a77fa8bc7b7b4729140b11f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ca92c98b806839c108995b2bbff7061515bdfb53"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80574.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80574"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Input: focaltech - fix array out-of-bounds in focaltech_process_rel_packet"
}