Vulnerability-Lookup

GHSA-75X6-RXH4-MHV7

Vulnerability from github – Published: 2026-07-19 18:31 – Updated: 2026-07-20 15:31

Details

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

usb: musb: omap2430: Fix use-after-free in omap2430_probe()

In omap2430_probe(), of_node_put(np) is called prematurely before the last access to np, leading to a use-after-free if the node's reference count drops to zero. Move the of_node_put() calls after the last use of np in both the success and error paths.

Severity

8.4 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-63906"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-19T16:17:08Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: musb: omap2430: Fix use-after-free in omap2430_probe()\n\nIn omap2430_probe(), of_node_put(np) is called prematurely before the\nlast access to np, leading to a use-after-free if the node\u0027s reference\ncount drops to zero. Move the of_node_put() calls after the last use of\nnp in both the success and error paths.",
  "id": "GHSA-75x6-rxh4-mhv7",
  "modified": "2026-07-20T15:31:50Z",
  "published": "2026-07-19T18:31:45Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63906"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/27e62532228dc42367bb43ebbcd7bf49d8db2b0d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/632fd888fe33083927e29ef651ac1aba345edd9e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/69f9f2b30af03d9b6e83f78fb0f734b6066d4678"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b987f380620b38c84f054d5ff5c05861a7c2203b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d53e4c41331f57b9fd78cbf3e480c6ce20aea07b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e194ce048f5a6c549b3a23a8c568c6470f40f772"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-63906 (GCVE-0-2026-63906)

Vulnerability from cvelistv5 – Published: 2026-07-19 14:55 – Updated: 2026-08-05 12:37

Title

usb: musb: omap2430: Fix use-after-free in omap2430_probe()

Summary

In the Linux kernel, the following vulnerability has been resolved: usb: musb: omap2430: Fix use-after-free in omap2430_probe() In omap2430_probe(), of_node_put(np) is called prematurely before the last access to np, leading to a use-after-free if the node's reference count drops to zero. Move the of_node_put() calls after the last use of np in both the success and error paths.

Severity

8.4 (High)


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

Assigner

Linux mitre root

References

6 references

URL	Tags
https://git.kernel.org/stable/c/632fd888fe3308392…
https://git.kernel.org/stable/c/b987f380620b38c84…
https://git.kernel.org/stable/c/27e62532228dc4236…
https://git.kernel.org/stable/c/69f9f2b30af03d9b6…
https://git.kernel.org/stable/c/d53e4c41331f57b9f…
https://git.kernel.org/stable/c/e194ce048f5a6c549…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 22b60658a90260e3fbd57824e3afe5682c6afcf5 , < 632fd888fe33083927e29ef651ac1aba345edd9e (git) Affected: ffbe2feac59b37c8dc536727552b4f375e1b9aec , < b987f380620b38c84f054d5ff5c05861a7c2203b (git) Affected: ffbe2feac59b37c8dc536727552b4f375e1b9aec , < 27e62532228dc42367bb43ebbcd7bf49d8db2b0d (git) Affected: ffbe2feac59b37c8dc536727552b4f375e1b9aec , < 69f9f2b30af03d9b6e83f78fb0f734b6066d4678 (git) Affected: ffbe2feac59b37c8dc536727552b4f375e1b9aec , < d53e4c41331f57b9fd78cbf3e480c6ce20aea07b (git) Affected: ffbe2feac59b37c8dc536727552b4f375e1b9aec , < e194ce048f5a6c549b3a23a8c568c6470f40f772 (git) Affected: fed43efc00ba6ac8c6b95828cd5acfa3d45eca4d (git) Affected: 6.1.2 , < 6.1.176 (semver) Affected: 6.0.16 , < 6.1 (semver)
Linux	Linux	Affected: 6.2 Unaffected: 0 , < 6.2 (semver) Unaffected: 6.1.176 , ≤ 6.1.* (semver) Unaffected: 6.6.143 , ≤ 6.6.* (semver) Unaffected: 6.12.93 , ≤ 6.12.* (semver) Unaffected: 6.18.35 , ≤ 6.18.* (semver) Unaffected: 7.0.12 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/usb/musb/omap2430.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "632fd888fe33083927e29ef651ac1aba345edd9e",
              "status": "affected",
              "version": "22b60658a90260e3fbd57824e3afe5682c6afcf5",
              "versionType": "git"
            },
            {
              "lessThan": "b987f380620b38c84f054d5ff5c05861a7c2203b",
              "status": "affected",
              "version": "ffbe2feac59b37c8dc536727552b4f375e1b9aec",
              "versionType": "git"
            },
            {
              "lessThan": "27e62532228dc42367bb43ebbcd7bf49d8db2b0d",
              "status": "affected",
              "version": "ffbe2feac59b37c8dc536727552b4f375e1b9aec",
              "versionType": "git"
            },
            {
              "lessThan": "69f9f2b30af03d9b6e83f78fb0f734b6066d4678",
              "status": "affected",
              "version": "ffbe2feac59b37c8dc536727552b4f375e1b9aec",
              "versionType": "git"
            },
            {
              "lessThan": "d53e4c41331f57b9fd78cbf3e480c6ce20aea07b",
              "status": "affected",
              "version": "ffbe2feac59b37c8dc536727552b4f375e1b9aec",
              "versionType": "git"
            },
            {
              "lessThan": "e194ce048f5a6c549b3a23a8c568c6470f40f772",
              "status": "affected",
              "version": "ffbe2feac59b37c8dc536727552b4f375e1b9aec",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "fed43efc00ba6ac8c6b95828cd5acfa3d45eca4d",
              "versionType": "git"
            },
            {
              "lessThan": "6.1.176",
              "status": "affected",
              "version": "6.1.2",
              "versionType": "semver"
            },
            {
              "lessThan": "6.1",
              "status": "affected",
              "version": "6.0.16",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/usb/musb/omap2430.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.2"
            },
            {
              "lessThan": "6.2",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.176",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.143",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.93",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.35",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.12",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.176",
                  "versionStartIncluding": "6.1.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.143",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.93",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.35",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0.12",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "6.0.16",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: musb: omap2430: Fix use-after-free in omap2430_probe()\n\nIn omap2430_probe(), of_node_put(np) is called prematurely before the\nlast access to np, leading to a use-after-free if the node\u0027s reference\ncount drops to zero. Move the of_node_put() calls after the last use of\nnp in both the success and error paths."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 8.4,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The UAF is reached only through local kernel driver probing (boot-time platform device enumeration, module load, or sysfs bind), not via network or USB packet handling. This is the highest defensible attack vector for this platform-driver probe bug.\nAC:L - Once probe runs on affected OMAP hardware, the premature of_node_put() deterministically frees the device_node before subsequent property/IRQ reads on the same pointer, with no race or attacker-uncontrollable timing required.\nPR:N - On OMAP3/OMAP4 systems with the driver built-in, the vulnerable probe path executes automatically at every boot without any software privileges; an attacker only needs the ability to power-cycle or reboot the device (e.g., a public OMAP kiosk or embedded controller).\nUI:N - Exploitation requires no victim interaction such as opening files or plugging in USB devices; the bug fires during kernel driver initialization on affected hardware.\nS:U - Impact is confined to kernel memory corruption and privilege boundaries within the host kernel; OMAP MUSB is an embedded SoC USB controller, not a hypervisor or cross-VM boundary.\nC:H - The use-after-free on a freed device_node structure allows reads of reallocated slab memory through of_property_read_u32() and of_parse_phandle(), enabling kernel information disclosure.\nI:H - UAF on the device_node heap object can corrupt kernel metadata and be leveraged for controlled writes or code execution through heap grooming during probe.\nA:H - Reading freed device_node memory during probe can cause kernel oops/panic and brick boot on OMAP systems, making the device unavailable until power-cycled or reflashed."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T12:37:01.876Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/632fd888fe33083927e29ef651ac1aba345edd9e"
        },
        {
          "url": "https://git.kernel.org/stable/c/b987f380620b38c84f054d5ff5c05861a7c2203b"
        },
        {
          "url": "https://git.kernel.org/stable/c/27e62532228dc42367bb43ebbcd7bf49d8db2b0d"
        },
        {
          "url": "https://git.kernel.org/stable/c/69f9f2b30af03d9b6e83f78fb0f734b6066d4678"
        },
        {
          "url": "https://git.kernel.org/stable/c/d53e4c41331f57b9fd78cbf3e480c6ce20aea07b"
        },
        {
          "url": "https://git.kernel.org/stable/c/e194ce048f5a6c549b3a23a8c568c6470f40f772"
        }
      ],
      "title": "usb: musb: omap2430: Fix use-after-free in omap2430_probe()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-63906",
    "datePublished": "2026-07-19T14:55:12.982Z",
    "dateReserved": "2026-07-19T07:54:57.020Z",
    "dateUpdated": "2026-08-05T12:37:01.876Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted

GHSA-75X6-RXH4-MHV7

CVE-2026-63906 (GCVE-0-2026-63906)

Tags

Sightings

Nomenclature

Related by attack behaviour