CVE-2026-68091 (GCVE-0-2026-68091)
Vulnerability from cvelistv5
Published
2026-08-10 11:51
Modified
2026-10-19 20:48
Severity ?
8.8 (High) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
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.
References
Impacted products
Vendor Product Version
Linux Linux Version: f304eb483393f135ab479d02da6f5dc7d9b51cd6
Version: 853307924a9003b3142b5253b1caa6625fbad9fc
Version: e5c6c8ef3e4d3a88407404daafbf2c6be62f2185
Version: fc41101a94b11cd0d5ad8e213b2b6965f248d653
Version: c1d6708bf0d3dd976460d435373cf5abf21ce258
Version: c1d6708bf0d3dd976460d435373cf5abf21ce258
Version: c1d6708bf0d3dd976460d435373cf5abf21ce258
Version: c1d6708bf0d3dd976460d435373cf5abf21ce258
Version: d943536197c1a05e377452af4ec7942e11d018f4
Version: dbaca8fa9ec2c5aa55ec515686ce3b9007554eab
Version: 79187e8099a9feb550916dbfb962497522022b6d
Version: 5.10.210   ≤
Version: 5.15.149   ≤
Version: 6.1.79   ≤
Version: 6.6.18   ≤
Version: 4.19.307   ≤
Version: 5.4.269   ≤
Version: 6.7.6   ≤
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    "datePublished": "2026-08-10T11:51:46.683Z",
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    "dateUpdated": "2026-10-19T20:48:44.455Z",
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\"unaffected\", \"version\": \"6.12.96\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.12.*\"}, {\"status\": \"unaffected\", \"version\": \"6.18.39\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.18.*\"}, {\"status\": \"unaffected\", \"version\": \"7.1.4\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"7.1.*\"}, {\"status\": \"unaffected\", \"version\": \"7.2\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/hid/wacom_sys.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/5a7ca028facf04921b2c1c2e4d1ee7f282510555\"}, {\"url\": \"https://git.kernel.org/stable/c/3e6473a4f0596182acdda5219b4bebfbee76514f\"}, {\"url\": \"https://git.kernel.org/stable/c/46d8b8c85ae0589fb85746a64e8908160e52aac3\"}, {\"url\": \"https://git.kernel.org/stable/c/1a1ebdcb56ae58a0ee2c54dd15d75121e30424e3\"}, {\"url\": \"https://git.kernel.org/stable/c/75eb2173b63ab41c24d80cd641af18f3c117a267\"}, {\"url\": \"https://git.kernel.org/stable/c/416095e9a6037b4b39fcadd0d2bd77a8852211ec\"}, {\"url\": \"https://git.kernel.org/stable/c/e2cc711a9df37f359159b21db56cea9c21f58a9c\"}, {\"url\": \"https://git.kernel.org/stable/c/ec2612b8ad9e642596db011dd8b6568ef1edeaa1\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"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.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.261\", \"versionStartIncluding\": \"5.10.210\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.212\", \"versionStartIncluding\": \"5.15.149\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.178\", \"versionStartIncluding\": \"6.1.79\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.145\", \"versionStartIncluding\": \"6.6.18\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.96\", \"versionStartIncluding\": \"6.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.18.39\", \"versionStartIncluding\": \"6.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"7.1.4\", \"versionStartIncluding\": \"6.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"7.2\", \"versionStartIncluding\": \"6.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"4.19.307\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"5.4.269\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"6.7.6\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-08-17T04:58:39.275Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-68091\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-10-19T20:48:44.455Z\", \"dateReserved\": \"2026-07-30T09:28:09.367Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2026-08-10T11:51:46.683Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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