Vulnerability-Lookup

GHSA-3JX9-923C-C3X9

Vulnerability from github – Published: 2026-04-24 15:32 – Updated: 2026-04-24 15:32

Details

In the Linux kernel, the following vulnerability has been resolved:

i2c: designware: amdisp: Fix resume-probe race condition issue

Identified resume-probe race condition in kernel v7.0 with the commit 38fa29b01a6a ("i2c: designware: Combine the init functions"),but this issue existed from the beginning though not detected.

The amdisp i2c device requires ISP to be in power-on state for probe to succeed. To meet this requirement, this device is added to genpd to control ISP power using runtime PM. The pm_runtime_get_sync() called before i2c_dw_probe() triggers PM resume, which powers on ISP and also invokes the amdisp i2c runtime resume before the probe completes resulting in this race condition and a NULL dereferencing issue in v7.0

Fix this race condition by using the genpd APIs directly during probe: - Call dev_pm_genpd_resume() to Power ON ISP before probe - Call dev_pm_genpd_suspend() to Power OFF ISP after probe - Set the device to suspended state with pm_runtime_set_suspended() - Enable runtime PM only after the device is fully initialized

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-31572"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-24T15:16:31Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: designware: amdisp: Fix resume-probe race condition issue\n\nIdentified resume-probe race condition in kernel v7.0 with the commit\n38fa29b01a6a (\"i2c: designware: Combine the init functions\"),but this\nissue existed from the beginning though not detected.\n\nThe amdisp i2c device requires ISP to be in power-on state for probe\nto succeed. To meet this requirement, this device is added to genpd\nto control ISP power using runtime PM. The pm_runtime_get_sync() called\nbefore i2c_dw_probe() triggers PM resume, which powers on ISP and also\ninvokes the amdisp i2c runtime resume before the probe completes resulting\nin this race condition and a NULL dereferencing issue in v7.0\n\nFix this race condition by using the genpd APIs directly during probe:\n  - Call dev_pm_genpd_resume() to Power ON ISP before probe\n  - Call dev_pm_genpd_suspend() to Power OFF ISP after probe\n  - Set the device to suspended state with pm_runtime_set_suspended()\n  - Enable runtime PM only after the device is fully initialized",
  "id": "GHSA-3jx9-923c-c3x9",
  "modified": "2026-04-24T15:32:33Z",
  "published": "2026-04-24T15:32:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31572"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/83bcea9da91965484df64a6492b89e65d41ab31c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e2f1ada8e089dd5a331bcd8b88125ae2af8d188f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e81f0341754c309e33babea2821eda8f98f0b44c"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-31572 (GCVE-0-2026-31572)

Vulnerability from cvelistv5 – Published: 2026-04-24 14:35 – Updated: 2026-04-24 14:35

Title

i2c: designware: amdisp: Fix resume-probe race condition issue

Summary

In the Linux kernel, the following vulnerability has been resolved: i2c: designware: amdisp: Fix resume-probe race condition issue Identified resume-probe race condition in kernel v7.0 with the commit 38fa29b01a6a ("i2c: designware: Combine the init functions"),but this issue existed from the beginning though not detected. The amdisp i2c device requires ISP to be in power-on state for probe to succeed. To meet this requirement, this device is added to genpd to control ISP power using runtime PM. The pm_runtime_get_sync() called before i2c_dw_probe() triggers PM resume, which powers on ISP and also invokes the amdisp i2c runtime resume before the probe completes resulting in this race condition and a NULL dereferencing issue in v7.0 Fix this race condition by using the genpd APIs directly during probe: - Call dev_pm_genpd_resume() to Power ON ISP before probe - Call dev_pm_genpd_suspend() to Power OFF ISP after probe - Set the device to suspended state with pm_runtime_set_suspended() - Enable runtime PM only after the device is fully initialized

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/83bcea9da91965484…
	https://git.kernel.org/stable/c/e81f0341754c309e3…
	https://git.kernel.org/stable/c/e2f1ada8e089dd5a3…

Impacted products

Vendor

Product

Version

Linux

Affected: d6263c468a761cd4c89887073614394ac48441e1 , < 83bcea9da91965484df64a6492b89e65d41ab31c (git)
Affected: d6263c468a761cd4c89887073614394ac48441e1 , < e81f0341754c309e33babea2821eda8f98f0b44c (git)
Affected: d6263c468a761cd4c89887073614394ac48441e1 , < e2f1ada8e089dd5a331bcd8b88125ae2af8d188f (git)

Linux

Affected: 6.16
Unaffected: 0 , < 6.16 (semver)
Unaffected: 6.18.21 , ≤ 6.18.* (semver)
Unaffected: 6.19.11 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/i2c/busses/i2c-designware-amdisp.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "83bcea9da91965484df64a6492b89e65d41ab31c",
              "status": "affected",
              "version": "d6263c468a761cd4c89887073614394ac48441e1",
              "versionType": "git"
            },
            {
              "lessThan": "e81f0341754c309e33babea2821eda8f98f0b44c",
              "status": "affected",
              "version": "d6263c468a761cd4c89887073614394ac48441e1",
              "versionType": "git"
            },
            {
              "lessThan": "e2f1ada8e089dd5a331bcd8b88125ae2af8d188f",
              "status": "affected",
              "version": "d6263c468a761cd4c89887073614394ac48441e1",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/i2c/busses/i2c-designware-amdisp.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.16"
            },
            {
              "lessThan": "6.16",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.21",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.21",
                  "versionStartIncluding": "6.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.11",
                  "versionStartIncluding": "6.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "6.16",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: designware: amdisp: Fix resume-probe race condition issue\n\nIdentified resume-probe race condition in kernel v7.0 with the commit\n38fa29b01a6a (\"i2c: designware: Combine the init functions\"),but this\nissue existed from the beginning though not detected.\n\nThe amdisp i2c device requires ISP to be in power-on state for probe\nto succeed. To meet this requirement, this device is added to genpd\nto control ISP power using runtime PM. The pm_runtime_get_sync() called\nbefore i2c_dw_probe() triggers PM resume, which powers on ISP and also\ninvokes the amdisp i2c runtime resume before the probe completes resulting\nin this race condition and a NULL dereferencing issue in v7.0\n\nFix this race condition by using the genpd APIs directly during probe:\n  - Call dev_pm_genpd_resume() to Power ON ISP before probe\n  - Call dev_pm_genpd_suspend() to Power OFF ISP after probe\n  - Set the device to suspended state with pm_runtime_set_suspended()\n  - Enable runtime PM only after the device is fully initialized"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-24T14:35:50.736Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/83bcea9da91965484df64a6492b89e65d41ab31c"
        },
        {
          "url": "https://git.kernel.org/stable/c/e81f0341754c309e33babea2821eda8f98f0b44c"
        },
        {
          "url": "https://git.kernel.org/stable/c/e2f1ada8e089dd5a331bcd8b88125ae2af8d188f"
        }
      ],
      "title": "i2c: designware: amdisp: Fix resume-probe race condition issue",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-31572",
    "datePublished": "2026-04-24T14:35:50.736Z",
    "dateReserved": "2026-03-09T15:48:24.118Z",
    "dateUpdated": "2026-04-24T14:35:50.736Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-3JX9-923C-C3X9

CVE-2026-31572 (GCVE-0-2026-31572)

Tags

Sightings

Nomenclature