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CVE-2026-80566 Input: hynitron_cstxxx - validate touch count and finger IDs

🗓️ 26 Aug 2026 14:37:29Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

Out-of-range touch count and finger ID in hynitron_cstxxx Linux kernel driver corrupts touch state.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-80566
26 Aug 202614:37
cve
euvd
EUVD
EUVD-2026-66481
26 Aug 202614:37
euvd
nvd
NVD
CVE-2026-80566
26 Aug 202615:17
nvd
ptsecurity
Positive Technologies
PT-2026-82182
26 Aug 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/input/touchscreen/hynitron_cstxxx.c"
    ],
    "versions": [
      {
        "version": "66603243f5283f7f28c795f09e7c2167233df0bd",
        "lessThan": "ec61ca4e310665816a639cb2e46cd9b3af0a9bee",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "66603243f5283f7f28c795f09e7c2167233df0bd",
        "lessThan": "387829ee60de26c7c073ed4e27ecfab2b75d4c74",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "66603243f5283f7f28c795f09e7c2167233df0bd",
        "lessThan": "38e7d5c1ade04b99c70da0298ca296ee62bc99c0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "66603243f5283f7f28c795f09e7c2167233df0bd",
        "lessThan": "51c5503554c87e4de4035468bebf186205391ce9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "66603243f5283f7f28c795f09e7c2167233df0bd",
        "lessThan": "27f380ef0e1d3de3cde114e02d33f9320ce3a5a6",
        "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/touchscreen/hynitron_cstxxx.c"
    ],
    "versions": [
      {
        "version": "6.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.2",
        "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"
      }
    ]
  }
]

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