CVE-2026-31688 (GCVE-0-2026-31688)

Vulnerability from cvelistv5 – Published: 2026-04-27 17:32 – Updated: 2026-06-17 18:22
VLAI

This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

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{
  "containers": {
    "cna": {
      "providerMetadata": {
        "dateUpdated": "2026-06-17T18:22:00.364Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "rejectedReasons": [
        {
          "lang": "en",
          "value": "This CVE ID has been rejected or withdrawn by its CVE Numbering Authority."
        }
      ],
      "x_generator": {
        "engine": "cvelib 1.8.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-31688",
    "datePublished": "2026-04-27T17:32:37.892Z",
    "dateRejected": "2026-06-17T18:22:00.364Z",
    "dateReserved": "2026-03-09T15:48:24.131Z",
    "dateUpdated": "2026-06-17T18:22:00.364Z",
    "state": "REJECTED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-31688",
      "date": "2026-06-17",
      "epss": "0.0011",
      "percentile": "0.01536"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-31688\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-04-27T18:16:54.287\",\"lastModified\":\"2026-05-06T18:36:57.093\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndriver core: enforce device_lock for driver_match_device()\\n\\nCurrently, driver_match_device() is called from three sites. One site\\n(__device_attach_driver) holds device_lock(dev), but the other two\\n(bind_store and __driver_attach) do not. This inconsistency means that\\nbus match() callbacks are not guaranteed to be called with the lock\\nheld.\\n\\nFix this by introducing driver_match_device_locked(), which guarantees\\nholding the device lock using a scoped guard. Replace the unlocked calls\\nin bind_store() and __driver_attach() with this new helper. Also add a\\nlock assertion to driver_match_device() to enforce this guarantee.\\n\\nThis consistency also fixes a known race condition. The driver_override\\nimplementation relies on the device_lock, so the missing lock led to the\\nuse-after-free (UAF) reported in Bugzilla for buses using this field.\\n\\nStress testing the two newly locked paths for 24 hours with\\nCONFIG_PROVE_LOCKING and CONFIG_LOCKDEP enabled showed no UAF recurrence\\nand no lockdep warnings.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.6.30\",\"versionEndExcluding\":\"7.0\",\"matchCriteriaId\":\"81C6A49A-929A-40D2-9FF9-222A3E70FAB9\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/dc23806a7c47ec5f1293aba407fb69519f976ee0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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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.

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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.
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  • 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.


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