Vulnerability-Lookup

FKIE_CVE-2026-72140

Vulnerability from fkie_nvd - Published: 2026-08-15 06:21 - Updated: 2026-08-17 06:18

Severity

Summary

In the Linux kernel, the following vulnerability has been resolved: i2c: mlxbf: Fix use-after-free in mlxbf_i2c_init_resource() If devm_platform_get_and_ioremap_resource() returns an error, mlxbf_i2c_init_resource() frees tmp_res before reading tmp_res->io to get the error code. This results in a use-after-free. Save the error code before freeing tmp_res.

References

	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/5290a52533e09c38374963f4bb0b35121fe555c7
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/6a108c9f5a81bb7b29dbb1398be0089655b6bfd2
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/71356737a7a55c76fee847563e3d33f8e6dc6b6d
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/b398cbbbb9dd76210682a8c9aabd34c5168800b9
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/c4d9b6a0c9645366d9e4af8a6ac8347bd4c841aa
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/ce960a1b2caa4ad08291f28d8bcf17ad5a864e54
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/e6a395a71f4652261d09b572a03c96052662a056
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/fb267770bf822064f510c9b46743f533d8fa8a5f

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/i2c/busses/i2c-mlxbf.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "6a108c9f5a81bb7b29dbb1398be0089655b6bfd2",
              "status": "affected",
              "version": "b5b5b32081cd206baa6e58cca7f112d9723785d6",
              "versionType": "git"
            },
            {
              "lessThan": "c4d9b6a0c9645366d9e4af8a6ac8347bd4c841aa",
              "status": "affected",
              "version": "b5b5b32081cd206baa6e58cca7f112d9723785d6",
              "versionType": "git"
            },
            {
              "lessThan": "b398cbbbb9dd76210682a8c9aabd34c5168800b9",
              "status": "affected",
              "version": "b5b5b32081cd206baa6e58cca7f112d9723785d6",
              "versionType": "git"
            },
            {
              "lessThan": "5290a52533e09c38374963f4bb0b35121fe555c7",
              "status": "affected",
              "version": "b5b5b32081cd206baa6e58cca7f112d9723785d6",
              "versionType": "git"
            },
            {
              "lessThan": "ce960a1b2caa4ad08291f28d8bcf17ad5a864e54",
              "status": "affected",
              "version": "b5b5b32081cd206baa6e58cca7f112d9723785d6",
              "versionType": "git"
            },
            {
              "lessThan": "e6a395a71f4652261d09b572a03c96052662a056",
              "status": "affected",
              "version": "b5b5b32081cd206baa6e58cca7f112d9723785d6",
              "versionType": "git"
            },
            {
              "lessThan": "fb267770bf822064f510c9b46743f533d8fa8a5f",
              "status": "affected",
              "version": "b5b5b32081cd206baa6e58cca7f112d9723785d6",
              "versionType": "git"
            },
            {
              "lessThan": "71356737a7a55c76fee847563e3d33f8e6dc6b6d",
              "status": "affected",
              "version": "b5b5b32081cd206baa6e58cca7f112d9723785d6",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/i2c/busses/i2c-mlxbf.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.10"
            },
            {
              "lessThan": "5.10",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.261",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.212",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.178",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.145",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.97",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.40",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: mlxbf: Fix use-after-free in mlxbf_i2c_init_resource()\n\nIf devm_platform_get_and_ioremap_resource() returns an error,\nmlxbf_i2c_init_resource() frees tmp_res before reading tmp_res-\u003eio to\nget the error code. This results in a use-after-free.\n\nSave the error code before freeing tmp_res."
    }
  ],
  "id": "CVE-2026-72140",
  "lastModified": "2026-08-17T06:18:13.963",
  "metrics": {},
  "published": "2026-08-15T06:21:31.587",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/5290a52533e09c38374963f4bb0b35121fe555c7"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/6a108c9f5a81bb7b29dbb1398be0089655b6bfd2"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/71356737a7a55c76fee847563e3d33f8e6dc6b6d"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/b398cbbbb9dd76210682a8c9aabd34c5168800b9"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/c4d9b6a0c9645366d9e4af8a6ac8347bd4c841aa"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/ce960a1b2caa4ad08291f28d8bcf17ad5a864e54"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/e6a395a71f4652261d09b572a03c96052662a056"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/fb267770bf822064f510c9b46743f533d8fa8a5f"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Received"
}

CVE-2026-72140 (GCVE-0-2026-72140)

Vulnerability from cvelistv5 – Published: 2026-08-15 05:53 – Updated: 2026-08-17 05:08

Title

i2c: mlxbf: Fix use-after-free in mlxbf_i2c_init_resource()

Summary

Severity

No CVSS data available.

Assigner

Linux mitre root

References

8 references

URL	Tags
https://git.kernel.org/stable/c/6a108c9f5a81bb7b2…
https://git.kernel.org/stable/c/c4d9b6a0c9645366d…
https://git.kernel.org/stable/c/b398cbbbb9dd76210…
https://git.kernel.org/stable/c/5290a52533e09c383…
https://git.kernel.org/stable/c/ce960a1b2caa4ad08…
https://git.kernel.org/stable/c/e6a395a71f4652261…
https://git.kernel.org/stable/c/fb267770bf822064f…
https://git.kernel.org/stable/c/71356737a7a55c76f…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: b5b5b32081cd206baa6e58cca7f112d9723785d6 , < 6a108c9f5a81bb7b29dbb1398be0089655b6bfd2 (git) Affected: b5b5b32081cd206baa6e58cca7f112d9723785d6 , < c4d9b6a0c9645366d9e4af8a6ac8347bd4c841aa (git) Affected: b5b5b32081cd206baa6e58cca7f112d9723785d6 , < b398cbbbb9dd76210682a8c9aabd34c5168800b9 (git) Affected: b5b5b32081cd206baa6e58cca7f112d9723785d6 , < 5290a52533e09c38374963f4bb0b35121fe555c7 (git) Affected: b5b5b32081cd206baa6e58cca7f112d9723785d6 , < ce960a1b2caa4ad08291f28d8bcf17ad5a864e54 (git) Affected: b5b5b32081cd206baa6e58cca7f112d9723785d6 , < e6a395a71f4652261d09b572a03c96052662a056 (git) Affected: b5b5b32081cd206baa6e58cca7f112d9723785d6 , < fb267770bf822064f510c9b46743f533d8fa8a5f (git) Affected: b5b5b32081cd206baa6e58cca7f112d9723785d6 , < 71356737a7a55c76fee847563e3d33f8e6dc6b6d (git)
Linux	Linux	Affected: 5.10 Unaffected: 0 , < 5.10 (semver) Unaffected: 5.10.261 , ≤ 5.10.* (semver) Unaffected: 5.15.212 , ≤ 5.15.* (semver) Unaffected: 6.1.178 , ≤ 6.1.* (semver) Unaffected: 6.6.145 , ≤ 6.6.* (semver) Unaffected: 6.12.97 , ≤ 6.12.* (semver) Unaffected: 6.18.40 , ≤ 6.18.* (semver) Unaffected: 7.1.5 , ≤ 7.1.* (semver) Unaffected: 7.2 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/i2c/busses/i2c-mlxbf.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "6a108c9f5a81bb7b29dbb1398be0089655b6bfd2",
              "status": "affected",
              "version": "b5b5b32081cd206baa6e58cca7f112d9723785d6",
              "versionType": "git"
            },
            {
              "lessThan": "c4d9b6a0c9645366d9e4af8a6ac8347bd4c841aa",
              "status": "affected",
              "version": "b5b5b32081cd206baa6e58cca7f112d9723785d6",
              "versionType": "git"
            },
            {
              "lessThan": "b398cbbbb9dd76210682a8c9aabd34c5168800b9",
              "status": "affected",
              "version": "b5b5b32081cd206baa6e58cca7f112d9723785d6",
              "versionType": "git"
            },
            {
              "lessThan": "5290a52533e09c38374963f4bb0b35121fe555c7",
              "status": "affected",
              "version": "b5b5b32081cd206baa6e58cca7f112d9723785d6",
              "versionType": "git"
            },
            {
              "lessThan": "ce960a1b2caa4ad08291f28d8bcf17ad5a864e54",
              "status": "affected",
              "version": "b5b5b32081cd206baa6e58cca7f112d9723785d6",
              "versionType": "git"
            },
            {
              "lessThan": "e6a395a71f4652261d09b572a03c96052662a056",
              "status": "affected",
              "version": "b5b5b32081cd206baa6e58cca7f112d9723785d6",
              "versionType": "git"
            },
            {
              "lessThan": "fb267770bf822064f510c9b46743f533d8fa8a5f",
              "status": "affected",
              "version": "b5b5b32081cd206baa6e58cca7f112d9723785d6",
              "versionType": "git"
            },
            {
              "lessThan": "71356737a7a55c76fee847563e3d33f8e6dc6b6d",
              "status": "affected",
              "version": "b5b5b32081cd206baa6e58cca7f112d9723785d6",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/i2c/busses/i2c-mlxbf.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.10"
            },
            {
              "lessThan": "5.10",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.261",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.212",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.178",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.145",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.97",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.40",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.261",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.212",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.178",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.145",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.97",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.40",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.5",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: mlxbf: Fix use-after-free in mlxbf_i2c_init_resource()\n\nIf devm_platform_get_and_ioremap_resource() returns an error,\nmlxbf_i2c_init_resource() frees tmp_res before reading tmp_res-\u003eio to\nget the error code. This results in a use-after-free.\n\nSave the error code before freeing tmp_res."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-17T05:08:58.385Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/6a108c9f5a81bb7b29dbb1398be0089655b6bfd2"
        },
        {
          "url": "https://git.kernel.org/stable/c/c4d9b6a0c9645366d9e4af8a6ac8347bd4c841aa"
        },
        {
          "url": "https://git.kernel.org/stable/c/b398cbbbb9dd76210682a8c9aabd34c5168800b9"
        },
        {
          "url": "https://git.kernel.org/stable/c/5290a52533e09c38374963f4bb0b35121fe555c7"
        },
        {
          "url": "https://git.kernel.org/stable/c/ce960a1b2caa4ad08291f28d8bcf17ad5a864e54"
        },
        {
          "url": "https://git.kernel.org/stable/c/e6a395a71f4652261d09b572a03c96052662a056"
        },
        {
          "url": "https://git.kernel.org/stable/c/fb267770bf822064f510c9b46743f533d8fa8a5f"
        },
        {
          "url": "https://git.kernel.org/stable/c/71356737a7a55c76fee847563e3d33f8e6dc6b6d"
        }
      ],
      "title": "i2c: mlxbf: Fix use-after-free in mlxbf_i2c_init_resource()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-72140",
    "datePublished": "2026-08-15T05:53:14.015Z",
    "dateReserved": "2026-08-09T03:40:39.908Z",
    "dateUpdated": "2026-08-17T05:08:58.385Z",
    "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.

Detection rules are retrieved from Rulezet.

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.

Action not permitted

FKIE_CVE-2026-72140

CVE-2026-72140 (GCVE-0-2026-72140)

Tags

Sightings

Nomenclature