CVE-2026-90282 (GCVE-0-2026-90282)

Vulnerability from cvelistv5 – Published: 2026-09-17 16:08 – Updated: 2026-10-19 09:01
VLAI
Title
phy: qcom: qmp-usb-legacy: Fix possible NULL-deref on early runtime suspend
Summary
In the Linux kernel, the following vulnerability has been resolved: phy: qcom: qmp-usb-legacy: 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
Linux CNA under the mitre root
CNA scorecard D 53/100 over 6637 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: e464a3180a43b6596bd267f9f274e1793bfb8150 , < 602059c5128a78857ca92bd22791ab640185e381 (git)
Affected: e464a3180a43b6596bd267f9f274e1793bfb8150 , < 29449ce1f5958e36df80318878016e3ecac26b40 (git)
Affected: e464a3180a43b6596bd267f9f274e1793bfb8150 , < 52ad86ea5f98d29a7a29d9ba12e24276c6e30acd (git)
Affected: e464a3180a43b6596bd267f9f274e1793bfb8150 , < 0f9789d1b63e7d9f868ac9c29564339a4c03ceb5 (git)
Affected: e464a3180a43b6596bd267f9f274e1793bfb8150 , < 8e3687f7e18fe84372e86875709d56c37e7525a8 (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 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/phy/qualcomm/phy-qcom-qmp-usb-legacy.c"
          ],
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          "vendor": "Linux",
          "versions": [
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              "versionType": "semver"
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              "versionType": "semver"
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              "status": "unaffected",
              "version": "6.18.52",
              "versionType": "semver"
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              "versionType": "semver"
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              "status": "unaffected",
              "version": "7.3",
              "versionType": "original_commit_for_fix"
            }
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      ],
      "cpeApplicability": [
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      "descriptions": [
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nphy: qcom: qmp-usb-legacy: 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": "2026-10-19T09:01:00.707Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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        },
        {
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        }
      ],
      "title": "phy: qcom: qmp-usb-legacy: Fix possible NULL-deref on early runtime suspend",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-90282",
    "datePublished": "2026-09-17T16:08:12.681Z",
    "dateReserved": "2026-09-11T19:38:34.797Z",
    "dateUpdated": "2026-10-19T09:01:00.707Z",
    "state": "PUBLISHED"
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      "product_status:fixed": "1",
      "product_status:known_affected": "2",
      "product_status:under_investigation": "1",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "phy: qcom: qmp-usb-legacy: Fix possible NULL-deref on early runtime suspend",
      "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-90282.json",
      "version": "6"
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            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nphy: qcom: qmp-usb-legacy: 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."
          }
        ],
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        "metrics": {},
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      "cve": "CVE-2026-90282",
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      "title": "SUSE CVE CVE-2026-90282",
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    }
  }
}



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