CVE-2026-68091 (GCVE-0-2026-68091)

Vulnerability from cvelistv5 – Published: 2026-08-10 11:51 – Updated: 2026-08-17 04:58
VLAI
Title
HID: wacom: stop hardware after post-start probe failures
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.
Severity
8.8 (High)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: f304eb483393f135ab479d02da6f5dc7d9b51cd6 , < 5a7ca028facf04921b2c1c2e4d1ee7f282510555 (git)
Affected: 853307924a9003b3142b5253b1caa6625fbad9fc , < 3e6473a4f0596182acdda5219b4bebfbee76514f (git)
Affected: e5c6c8ef3e4d3a88407404daafbf2c6be62f2185 , < 46d8b8c85ae0589fb85746a64e8908160e52aac3 (git)
Affected: fc41101a94b11cd0d5ad8e213b2b6965f248d653 , < 1a1ebdcb56ae58a0ee2c54dd15d75121e30424e3 (git)
Affected: c1d6708bf0d3dd976460d435373cf5abf21ce258 , < 75eb2173b63ab41c24d80cd641af18f3c117a267 (git)
Affected: c1d6708bf0d3dd976460d435373cf5abf21ce258 , < 416095e9a6037b4b39fcadd0d2bd77a8852211ec (git)
Affected: c1d6708bf0d3dd976460d435373cf5abf21ce258 , < e2cc711a9df37f359159b21db56cea9c21f58a9c (git)
Affected: c1d6708bf0d3dd976460d435373cf5abf21ce258 , < ec2612b8ad9e642596db011dd8b6568ef1edeaa1 (git)
Affected: d943536197c1a05e377452af4ec7942e11d018f4 (git)
Affected: dbaca8fa9ec2c5aa55ec515686ce3b9007554eab (git)
Affected: 79187e8099a9feb550916dbfb962497522022b6d (git)
Affected: 5.10.210 , < 5.10.261 (semver)
Affected: 5.15.149 , < 5.15.212 (semver)
Affected: 6.1.79 , < 6.1.178 (semver)
Affected: 6.6.18 , < 6.6.145 (semver)
Affected: 4.19.307 , < 4.20 (semver)
Affected: 5.4.269 , < 5.5 (semver)
Affected: 6.7.6 , < 6.8 (semver)
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Linux Linux Affected: 6.8
Unaffected: 0 , < 6.8 (semver)
Unaffected: 5.10.261 , ≤ 5.10.* (semver)
Unaffected: 5.15.212 , ≤ 5.15.* (semver)
Unaffected: 6.1.178 , ≤ 6.1.* (semver)
Unaffected: 6.6.145 , ≤ 6.6.* (semver)
Unaffected: 6.12.96 , ≤ 6.12.* (semver)
Unaffected: 6.18.39 , ≤ 6.18.* (semver)
Unaffected: 7.1.4 , ≤ 7.1.* (semver)
Unaffected: 7.2 , ≤ * (original_commit_for_fix)
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          "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."
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    "cveId": "CVE-2026-68091",
    "datePublished": "2026-08-10T11:51:46.683Z",
    "dateReserved": "2026-07-30T09:28:09.367Z",
    "dateUpdated": "2026-08-17T04:58:39.275Z",
    "state": "PUBLISHED"
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    "epss": {
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      "date": "2026-08-20",
      "epss": "0.00266",
      "percentile": "0.1863"
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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}]},\"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\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-13T23:19:43+00:00",
      "cve": "CVE-2026-68091",
      "id": "CVE-2026-68091",
      "initial_release_date": "2026-08-10T00:00:00+00:00",
      "product_status:known_affected": "184",
      "product_status:known_not_affected": "90",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: HID: wacom: stop hardware after post-start probe failures",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-68091.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-11T23:48:42Z",
      "cve": "CVE-2026-68091",
      "id": "CVE-2026-68091",
      "initial_release_date": "2026-08-11T23:48:42Z",
      "product_status:known_affected": "191",
      "product_status:known_not_affected": "105",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-68091",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-68091.json",
      "version": "2"
    }
  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.