CVE-2026-90280 (GCVE-0-2026-90280)

Vulnerability from cvelistv5 – Published: 2026-09-17 16:08 – Updated: 2026-09-17 16:08
VLAI
Title
phy: qcom: qmp-usb: Fix possible NULL-deref on early runtime suspend
Summary
In the Linux kernel, the following vulnerability has been resolved: phy: qcom: qmp-usb: Fix possible NULL-deref on early runtime suspend There is a small window where the runtime suspend callback may run after pm_runtime_enable() and before pm_runtime_forbid(). In this case, a crash occurs because runtime suspend/resume dereferences qmp->phy pointer, which is not yet initialized: `if (!qmp->phy->init_count) {` This can also happen if user re-enables runtime-pm via the sysfs attribute before qmp phy is initialized. Similarly to other qcom phy drivers, introduce a qmp->phy_initialized variable that can be used to avoid relying on the possibly uninitialized phy pointer.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: e464a3180a43b6596bd267f9f274e1793bfb8150 , < 9b28287c5dea7650e6dd317591b9e82b6e145365 (git)
Affected: e464a3180a43b6596bd267f9f274e1793bfb8150 , < f4e39ab1b2009a89c60e4cb9dbefb8140d405eff (git)
Affected: e464a3180a43b6596bd267f9f274e1793bfb8150 , < 5547fd950d6bf72de861b6934341e7bb0888640c (git)
Affected: e464a3180a43b6596bd267f9f274e1793bfb8150 , < 03455404fb6cbfd65842695df26739853fc1516b (git)
Affected: e464a3180a43b6596bd267f9f274e1793bfb8150 , < 142c5593379273264474f31d5956b1a0065cd576 (git)
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Linux Linux Affected: 6.6
Unaffected: 0 , < 6.6 (semver)
Unaffected: 6.6.157 , ≤ 6.6.* (semver)
Unaffected: 6.12.110 , ≤ 6.12.* (semver)
Unaffected: 6.18.52 , ≤ 6.18.* (semver)
Unaffected: 7.2.6 , ≤ 7.2.* (semver)
Unaffected: 7.3-rc1 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/phy/qualcomm/phy-qcom-qmp-usb.c"
          ],
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              "status": "unaffected",
              "version": "7.3-rc1",
              "versionType": "original_commit_for_fix"
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      "cpeApplicability": [
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              "operator": "OR"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nphy: qcom: qmp-usb: Fix possible NULL-deref on early runtime suspend\n\nThere is a small window where the runtime suspend callback may run\nafter pm_runtime_enable() and before pm_runtime_forbid(). In this\ncase, a crash occurs because runtime suspend/resume dereferences\nqmp-\u003ephy pointer, which is not yet initialized:\n        `if (!qmp-\u003ephy-\u003einit_count) {`\n\nThis can also happen if user re-enables runtime-pm via the sysfs\nattribute before qmp phy is initialized.\n\nSimilarly to other qcom phy drivers, introduce a qmp-\u003ephy_initialized\nvariable that can be used to avoid relying on the possibly uninitialized\nphy pointer."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-17T16:08:11.281Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/9b28287c5dea7650e6dd317591b9e82b6e145365"
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        },
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        },
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          "url": "https://git.kernel.org/stable/c/03455404fb6cbfd65842695df26739853fc1516b"
        },
        {
          "url": "https://git.kernel.org/stable/c/142c5593379273264474f31d5956b1a0065cd576"
        }
      ],
      "title": "phy: qcom: qmp-usb: Fix possible NULL-deref on early runtime suspend",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-90280",
    "datePublished": "2026-09-17T16:08:11.281Z",
    "dateReserved": "2026-09-11T19:38:34.797Z",
    "dateUpdated": "2026-09-17T16:08:11.281Z",
    "state": "PUBLISHED"
  },
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    },
    "microsoft_vex": {
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      "id": "msrc_CVE-2026-90280",
      "initial_release_date": "2026-09-19T01:08:49.000Z",
      "product_status:fixed": "1",
      "product_status:known_affected": "2",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "phy: qcom: qmp-usb: Fix possible NULL-deref on early runtime suspend",
      "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-90280.json",
      "version": "4"
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            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nphy: qcom: qmp-usb: Fix possible NULL-deref on early runtime suspend\n\nThere is a small window where the runtime suspend callback may run\nafter pm_runtime_enable() and before pm_runtime_forbid(). In this\ncase, a crash occurs because runtime suspend/resume dereferences\nqmp-\u003ephy pointer, which is not yet initialized:\n        `if (!qmp-\u003ephy-\u003einit_count) {`\n\nThis can also happen if user re-enables runtime-pm via the sysfs\nattribute before qmp phy is initialized.\n\nSimilarly to other qcom phy drivers, introduce a qmp-\u003ephy_initialized\nvariable that can be used to avoid relying on the possibly uninitialized\nphy pointer."
          }
        ],
        "id": "CVE-2026-90280",
        "lastModified": "2026-09-17T17:17:24.690",
        "metrics": {},
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        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Received"
      }
    }
  }
}



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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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  • 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.
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  • 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.



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.