CVE-2026-80574

🗓️ 26 Aug 2026 14:37:34Reported by LinuxType

Out-of-bounds write in Linux kernel focaltech input driver when finger index is zero.

Reporter	Title	Published	Views	Family All 4
Cvelist	CVE-2026-80574 Input: focaltech - fix array out-of-bounds in focaltech_process_rel_packet	26 Aug 202614:37	–	cvelist
EUVD	EUVD-2026-66489	26 Aug 202614:37	–	euvd
NVD	CVE-2026-80574	26 Aug 202615:17	–	nvd
Positive Technologies	PT-2026-82190	26 Aug 202600:00	–	ptsecurity

Vulners

CNA

Node

linux linux_kernelRange4.0–5.10.266

linux linux_kernelRange5.11.0–5.15.217

linux linux_kernelRange5.16.0–6.1.184

linux linux_kernelRange6.2.0–6.6.153

linux linux_kernelRange6.7.0–6.12.105

linux linux_kernelRange6.13.0–6.18.46

linux linux_kernelRange6.19.0–7.1.10

linux linux_kernelRange7.2.0≥

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/input/mouse/focaltech.c"
    ],
    "versions": [
      {
        "version": "05be1d079ec0b3691783e4384b1ada82149ff7d2",
        "lessThan": "063b4c6a6f3fc01bca085c442000c9c100fdbd93",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "05be1d079ec0b3691783e4384b1ada82149ff7d2",
        "lessThan": "bb502d79acb9ac1e0a77fa8bc7b7b4729140b11f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "05be1d079ec0b3691783e4384b1ada82149ff7d2",
        "lessThan": "ca92c98b806839c108995b2bbff7061515bdfb53",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "05be1d079ec0b3691783e4384b1ada82149ff7d2",
        "lessThan": "81b07470cb2937ceb74b00be88151582a322433b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "05be1d079ec0b3691783e4384b1ada82149ff7d2",
        "lessThan": "6f6d5fe29efdf5001bc146fc292e6592cace93eb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "05be1d079ec0b3691783e4384b1ada82149ff7d2",
        "lessThan": "83c265bfc084d77e2171d4b67362150ab38c935b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "05be1d079ec0b3691783e4384b1ada82149ff7d2",
        "lessThan": "1842e47126816e56d30c4f856f9854fd7831066c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "05be1d079ec0b3691783e4384b1ada82149ff7d2",
        "lessThan": "296736076b3fd078742651c719555a488624023a",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/input/mouse/focaltech.c"
    ],
    "versions": [
      {
        "version": "4.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.266",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.217",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.184",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.153",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.105",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.46",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.10",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/bb502d79acb9ac1e0a77fa8bc7b7b4729140b11f
git	www.git.kernel.org/stable/c/81b07470cb2937ceb74b00be88151582a322433b
git	www.git.kernel.org/stable/c/063b4c6a6f3fc01bca085c442000c9c100fdbd93
git	www.git.kernel.org/stable/c/6f6d5fe29efdf5001bc146fc292e6592cace93eb
git	www.git.kernel.org/stable/c/296736076b3fd078742651c719555a488624023a
git	www.git.kernel.org/stable/c/ca92c98b806839c108995b2bbff7061515bdfb53
git	www.git.kernel.org/stable/c/83c265bfc084d77e2171d4b67362150ab38c935b
git	www.git.kernel.org/stable/c/1842e47126816e56d30c4f856f9854fd7831066c

26 Aug 2026 15:17Current