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CVE-2026-68091

Full vulnerability record from the local CVENow database.

Description

In the Linux kernel, the following vulnerability has been resolved: HID: wacom: stop hardware after post-start probe failures wacom_parse_and_register() starts HID hardware before registering inputs and initializing pad LEDs/remotes. Those later steps can fail, but their error paths currently release Wacom resources without stopping the HID hardware. Route post-hid_hw_start() failures through hid_hw_stop() before releasing driver resources. This issue was identified during our ongoing static-analysis research while reviewing kernel code.

Severity
HIGH
CVSS score
8.8 (v3.1)
Vulnerability status
Received
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2026-08-10 12:17:21.870000
Last modified
2026-10-19 21:17:50.170000
View original CVE JSON
{
  "id": "CVE-2026-68091",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2026-08-10T12:17:21.870",
  "lastModified": "2026-10-19T21:17:50.170",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: wacom: stop hardware after post-start probe failures\n\nwacom_parse_and_register() starts HID hardware before registering inputs\nand initializing pad LEDs/remotes. Those later steps can fail, but their\nerror paths currently release Wacom resources without stopping the HID\nhardware.\n\nRoute post-hid_hw_start() failures through hid_hw_stop() before\nreleasing driver resources.\n\nThis issue was identified during our ongoing static-analysis research while\nreviewing kernel code."
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "drivers/hid/wacom_sys.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "f304eb483393f135ab479d02da6f5dc7d9b51cd6",
              "lessThan": "5a7ca028facf04921b2c1c2e4d1ee7f282510555",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "853307924a9003b3142b5253b1caa6625fbad9fc",
              "lessThan": "3e6473a4f0596182acdda5219b4bebfbee76514f",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "e5c6c8ef3e4d3a88407404daafbf2c6be62f2185",
              "lessThan": "46d8b8c85ae0589fb85746a64e8908160e52aac3",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "fc41101a94b11cd0d5ad8e213b2b6965f248d653",
              "lessThan": "1a1ebdcb56ae58a0ee2c54dd15d75121e30424e3",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "c1d6708bf0d3dd976460d435373cf5abf21ce258",
              "lessThan": "75eb2173b63ab41c24d80cd641af18f3c117a267",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "c1d6708bf0d3dd976460d435373cf5abf21ce258",
              "lessThan": "416095e9a6037b4b39fcadd0d2bd77a8852211ec",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "c1d6708bf0d3dd976460d435373cf5abf21ce258",
              "lessThan": "e2cc711a9df37f359159b21db56cea9c21f58a9c",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "c1d6708bf0d3dd976460d435373cf5abf21ce258",
              "lessThan": "ec2612b8ad9e642596db011dd8b6568ef1edeaa1",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "d943536197c1a05e377452af4ec7942e11d018f4",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "dbaca8fa9ec2c5aa55ec515686ce3b9007554eab",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "79187e8099a9feb550916dbfb962497522022b6d",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "5.10.210",
              "lessThan": "5.10.261",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "5.15.149",
              "lessThan": "5.15.212",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "6.1.79",
              "lessThan": "6.1.178",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "6.6.18",
              "lessThan": "6.6.145",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "4.19.307",
              "lessThan": "4.20",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "5.4.269",
              "lessThan": "5.5",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "6.7.6",
              "lessThan": "6.8",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "drivers/hid/wacom_sys.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "6.8",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "6.8",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "5.10.261",
              "lessThanOrEqual": "5.10.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "5.15.212",
              "lessThanOrEqual": "5.15.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.1.178",
              "lessThanOrEqual": "6.1.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.6.145",
              "lessThanOrEqual": "6.6.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.12.96",
              "lessThanOrEqual": "6.12.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.18.39",
              "lessThanOrEqual": "6.18.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.1.4",
              "lessThanOrEqual": "7.1.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.2",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "attackVector": "ADJACENT_NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-10-16T15:43:38.593019Z",
          "id": "CVE-2026-68091",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-404"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/1a1ebdcb56ae58a0ee2c54dd15d75121e30424e3",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/3e6473a4f0596182acdda5219b4bebfbee76514f",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/416095e9a6037b4b39fcadd0d2bd77a8852211ec",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/46d8b8c85ae0589fb85746a64e8908160e52aac3",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/5a7ca028facf04921b2c1c2e4d1ee7f282510555",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/75eb2173b63ab41c24d80cd641af18f3c117a267",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e2cc711a9df37f359159b21db56cea9c21f58a9c",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/ec2612b8ad9e642596db011dd8b6568ef1edeaa1",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}