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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    "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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      "date": "2026-09-20",
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      "percentile": "0.18363"
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        "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."
          }
        ],
        "id": "CVE-2026-68091",
        "lastModified": "2026-08-17T05:18:08.303",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "ADJACENT_NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 8.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 5.9,
              "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
              "type": "Secondary"
            }
          ]
        },
        "published": "2026-08-10T12:17:21.870",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "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"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Received"
      }
    },
    "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": "2026-09-18T00:36:13Z",
      "cve": "CVE-2026-68091",
      "id": "CVE-2026-68091",
      "initial_release_date": "2026-08-11T23:48:42Z",
      "product_status:known_affected": "669",
      "product_status:known_not_affected": "79",
      "product_status:recommended": "107",
      "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": "8"
    }
  }
}



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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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.