Vulnerability-Lookup

GHSA-HPJC-M442-8HRM

Vulnerability from github – Published: 2025-10-04 09:30 – Updated: 2026-01-23 21:30

Details

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

drm: bridge: anx7625: Fix NULL pointer dereference with early IRQ

If the interrupt occurs before resource initialization is complete, the interrupt handler/worker may access uninitialized data such as the I2C tcpc_client device, potentially leading to NULL pointer dereference.

Severity ?

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-39934"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-10-04T08:15:46Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm: bridge: anx7625: Fix NULL pointer dereference with early IRQ\n\nIf the interrupt occurs before resource initialization is complete, the\ninterrupt handler/worker may access uninitialized data such as the I2C\ntcpc_client device, potentially leading to NULL pointer dereference.",
  "id": "GHSA-hpjc-m442-8hrm",
  "modified": "2026-01-23T21:30:36Z",
  "published": "2025-10-04T09:30:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-39934"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0da73f7827691a5e2265b110d5fe12f29535ec92"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/15a77e1ab0a994d69b471c76b8d01117128dda26"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1a7ea294d57fb61485d11b3f2241d631d73025cb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/51a501e990a353a4f15da6bab295b28e5d118f64"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a10f910c77f280327b481e77eab909934ec508f0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f9a089d0a6d537d0f2061c8a37a7de535ce0310e"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-39934 (GCVE-0-2025-39934)

Vulnerability from cvelistv5 – Published: 2025-10-04 07:30 – Updated: 2025-10-04 07:37

Title

drm: bridge: anx7625: Fix NULL pointer dereference with early IRQ

Summary

In the Linux kernel, the following vulnerability has been resolved: drm: bridge: anx7625: Fix NULL pointer dereference with early IRQ If the interrupt occurs before resource initialization is complete, the interrupt handler/worker may access uninitialized data such as the I2C tcpc_client device, potentially leading to NULL pointer dereference.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/51a501e990a353a4f…
	https://git.kernel.org/stable/c/f9a089d0a6d537d0f…
	https://git.kernel.org/stable/c/15a77e1ab0a994d69…
	https://git.kernel.org/stable/c/0da73f7827691a5e2…
	https://git.kernel.org/stable/c/1a7ea294d57fb6148…
	https://git.kernel.org/stable/c/a10f910c77f280327…

Impacted products

Vendor

Product

Version

Linux

Affected: 8bdfc5dae4e3ba4d99dfb430ef43249e5f1b7730 , < 51a501e990a353a4f15da6bab295b28e5d118f64 (git)
Affected: 8bdfc5dae4e3ba4d99dfb430ef43249e5f1b7730 , < f9a089d0a6d537d0f2061c8a37a7de535ce0310e (git)
Affected: 8bdfc5dae4e3ba4d99dfb430ef43249e5f1b7730 , < 15a77e1ab0a994d69b471c76b8d01117128dda26 (git)
Affected: 8bdfc5dae4e3ba4d99dfb430ef43249e5f1b7730 , < 0da73f7827691a5e2265b110d5fe12f29535ec92 (git)
Affected: 8bdfc5dae4e3ba4d99dfb430ef43249e5f1b7730 , < 1a7ea294d57fb61485d11b3f2241d631d73025cb (git)
Affected: 8bdfc5dae4e3ba4d99dfb430ef43249e5f1b7730 , < a10f910c77f280327b481e77eab909934ec508f0 (git)

Linux

Affected: 5.11
Unaffected: 0 , < 5.11 (semver)
Unaffected: 5.15.194 , ≤ 5.15.* (semver)
Unaffected: 6.1.154 , ≤ 6.1.* (semver)
Unaffected: 6.6.108 , ≤ 6.6.* (semver)
Unaffected: 6.12.49 , ≤ 6.12.* (semver)
Unaffected: 6.16.9 , ≤ 6.16.* (semver)
Unaffected: 6.17 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/bridge/analogix/anx7625.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "51a501e990a353a4f15da6bab295b28e5d118f64",
              "status": "affected",
              "version": "8bdfc5dae4e3ba4d99dfb430ef43249e5f1b7730",
              "versionType": "git"
            },
            {
              "lessThan": "f9a089d0a6d537d0f2061c8a37a7de535ce0310e",
              "status": "affected",
              "version": "8bdfc5dae4e3ba4d99dfb430ef43249e5f1b7730",
              "versionType": "git"
            },
            {
              "lessThan": "15a77e1ab0a994d69b471c76b8d01117128dda26",
              "status": "affected",
              "version": "8bdfc5dae4e3ba4d99dfb430ef43249e5f1b7730",
              "versionType": "git"
            },
            {
              "lessThan": "0da73f7827691a5e2265b110d5fe12f29535ec92",
              "status": "affected",
              "version": "8bdfc5dae4e3ba4d99dfb430ef43249e5f1b7730",
              "versionType": "git"
            },
            {
              "lessThan": "1a7ea294d57fb61485d11b3f2241d631d73025cb",
              "status": "affected",
              "version": "8bdfc5dae4e3ba4d99dfb430ef43249e5f1b7730",
              "versionType": "git"
            },
            {
              "lessThan": "a10f910c77f280327b481e77eab909934ec508f0",
              "status": "affected",
              "version": "8bdfc5dae4e3ba4d99dfb430ef43249e5f1b7730",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/bridge/analogix/anx7625.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.11"
            },
            {
              "lessThan": "5.11",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.194",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.154",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.108",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.49",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.16.*",
              "status": "unaffected",
              "version": "6.16.9",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.17",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.194",
                  "versionStartIncluding": "5.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.154",
                  "versionStartIncluding": "5.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.108",
                  "versionStartIncluding": "5.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.49",
                  "versionStartIncluding": "5.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.16.9",
                  "versionStartIncluding": "5.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.17",
                  "versionStartIncluding": "5.11",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm: bridge: anx7625: Fix NULL pointer dereference with early IRQ\n\nIf the interrupt occurs before resource initialization is complete, the\ninterrupt handler/worker may access uninitialized data such as the I2C\ntcpc_client device, potentially leading to NULL pointer dereference."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-04T07:37:00.467Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/51a501e990a353a4f15da6bab295b28e5d118f64"
        },
        {
          "url": "https://git.kernel.org/stable/c/f9a089d0a6d537d0f2061c8a37a7de535ce0310e"
        },
        {
          "url": "https://git.kernel.org/stable/c/15a77e1ab0a994d69b471c76b8d01117128dda26"
        },
        {
          "url": "https://git.kernel.org/stable/c/0da73f7827691a5e2265b110d5fe12f29535ec92"
        },
        {
          "url": "https://git.kernel.org/stable/c/1a7ea294d57fb61485d11b3f2241d631d73025cb"
        },
        {
          "url": "https://git.kernel.org/stable/c/a10f910c77f280327b481e77eab909934ec508f0"
        }
      ],
      "title": "drm: bridge: anx7625: Fix NULL pointer dereference with early IRQ",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-39934",
    "datePublished": "2025-10-04T07:30:58.284Z",
    "dateReserved": "2025-04-16T07:20:57.148Z",
    "dateUpdated": "2025-10-04T07:37:00.467Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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-HPJC-M442-8HRM

CVE-2025-39934 (GCVE-0-2025-39934)

Tags

Sightings

Nomenclature