CVE-2026-90281 (GCVE-0-2026-90281)

Vulnerability from cvelistv5 – Published: 2026-09-17 16:08 – Updated: 2026-10-19 09:00
VLAI
Title
phy: qcom: snps-femto-v2: Fix possible NULL-deref on early runtime suspend
Summary
In the Linux kernel, the following vulnerability has been resolved: phy: qcom: snps-femto-v2: Fix possible NULL-deref on early runtime suspend Runtime PM must be enabled before creating the PHY, since phy_create() only enables runtime PM on the PHY device if it is already enabled on this parent device. However, the runtime PM callbacks dereference the hsphy instance, which is not yet ready, leaving a window where a suspend callback may trigger a NULL pointer dereference. Take a runtime PM usage reference with pm_runtime_get_noresume() before enabling runtime PM and release it once the PHY has been created, so that no runtime suspend can run before the PHY is ready. This also prevents a short window where an unnecessary runtime suspend can occur. Use the devres-managed version to ensure PM runtime is symmetrically disabled during driver removal for proper cleanup.
Severity
No CVSS data available.
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 7056 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 0d75f508a9d56133a2834215959cde4605c804d1 , < 0c5c08c94dd64c05679970d4eed8b06d36a889a8 (git)
Affected: 0d75f508a9d56133a2834215959cde4605c804d1 , < 1027b1d4e29756dfbf74ef8743456a1efa3679f0 (git)
Affected: 0d75f508a9d56133a2834215959cde4605c804d1 , < 34293f5a8982a06c40af69c8c7c856b5837ac652 (git)
Affected: 0d75f508a9d56133a2834215959cde4605c804d1 , < 3ddf41938fee3d148a170c31e76b0515a522ef7e (git)
Affected: 0d75f508a9d56133a2834215959cde4605c804d1 , < 82cb1aedf4bdb279cf8853fe8f39bec4e6cffa0a (git)
Affected: 0d75f508a9d56133a2834215959cde4605c804d1 , < 61749681e4a3629ec20b04ba2443b91016af3d2f (git)
Affected: 0d75f508a9d56133a2834215959cde4605c804d1 , < b85bbec72fa813b60e093c6bb36ae232b9b0eb5e (git)
Affected: 0d75f508a9d56133a2834215959cde4605c804d1 , < c271a6926ea7d3c9566b033d63fd4e8c488dc860 (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.9
Unaffected: 0 , < 5.9 (semver)
Unaffected: 5.10.270 , ≤ 5.10.* (semver)
Unaffected: 5.15.221 , ≤ 5.15.* (semver)
Unaffected: 6.1.188 , ≤ 6.1.* (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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{
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nphy: qcom: snps-femto-v2: Fix possible NULL-deref on early runtime suspend\n\nRuntime PM must be enabled before creating the PHY, since phy_create()\nonly enables runtime PM on the PHY device if it is already enabled on\nthis parent device. However, the runtime PM callbacks dereference the\nhsphy instance, which is not yet ready, leaving a window where a suspend\ncallback may trigger a NULL pointer dereference.\n\nTake a runtime PM usage reference with pm_runtime_get_noresume() before\nenabling runtime PM and release it once the PHY has been created, so that\nno runtime suspend can run before the PHY is ready. This also prevents a\nshort window where an unnecessary runtime suspend can occur.\n\nUse the devres-managed version to ensure PM runtime is symmetrically\ndisabled during driver removal for proper cleanup."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-19T09:00:59.723Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/0c5c08c94dd64c05679970d4eed8b06d36a889a8"
        },
        {
          "url": "https://git.kernel.org/stable/c/1027b1d4e29756dfbf74ef8743456a1efa3679f0"
        },
        {
          "url": "https://git.kernel.org/stable/c/34293f5a8982a06c40af69c8c7c856b5837ac652"
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        },
        {
          "url": "https://git.kernel.org/stable/c/c271a6926ea7d3c9566b033d63fd4e8c488dc860"
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      ],
      "title": "phy: qcom: snps-femto-v2: Fix possible NULL-deref on early runtime suspend",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-90281",
    "datePublished": "2026-09-17T16:08:11.916Z",
    "dateReserved": "2026-09-11T19:38:34.797Z",
    "dateUpdated": "2026-10-19T09:00:59.723Z",
    "state": "PUBLISHED"
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      "id": "msrc_CVE-2026-90281",
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      "product_status:known_affected": "2",
      "product_status:under_investigation": "1",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "phy: qcom: snps-femto-v2: Fix possible NULL-deref on early runtime suspend",
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          }
        ],
        "id": "CVE-2026-90281",
        "lastModified": "2026-10-19T09:19:21.647",
        "metrics": {},
        "published": "2026-09-17T17:17:24.810",
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          }
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        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Received"
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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-10-13T15:07:45+00:00",
      "cve": "CVE-2026-90281",
      "id": "CVE-2026-90281",
      "initial_release_date": "2026-09-17T00:00:00+00:00",
      "product_status:known_affected": "77",
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      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: phy: qcom: snps-femto-v2: Fix possible NULL-deref on early runtime suspend",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-90281.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-10-20T00:39:50Z",
      "cve": "CVE-2026-90281",
      "id": "CVE-2026-90281",
      "initial_release_date": "2026-09-21T23:44:30Z",
      "product_status:known_affected": "156",
      "product_status:known_not_affected": "192",
      "product_status:recommended": "4",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-90281",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/2026/cve-2026-90281.json",
      "version": "4"
    }
  }
}



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    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.