Vulnerability-Lookup

FKIE_CVE-2026-80822

Vulnerability from fkie_nvd - Published: 2026-09-04 16:18 - Updated: 2026-09-07 15:17

Severity

Summary

In the Linux kernel, the following vulnerability has been resolved: mailbox: mchp-ipc-sbi: Add null check for devm_kasprintf() Add a check to see if devm_kasprintf() is not NULL in mchp_ipc_get_cluster_aggr_irq(), returning -ENOMEM if the function failed.

References

	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/364edaedf4125825781a12c84c77699780d52a16
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/b233e7836d98d1790e71f5f3734a86409664f341
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/b37c4d0a2fd90c0c31223acd37f763eb8953ed1a
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/df5c9816986b2f4d754ef3aa65a92382e9b39c4a

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/mailbox/mailbox-mchp-ipc-sbi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "364edaedf4125825781a12c84c77699780d52a16",
              "status": "affected",
              "version": "e4b1d67e71419c4af581890ecea84b04920d4116",
              "versionType": "git"
            },
            {
              "lessThan": "df5c9816986b2f4d754ef3aa65a92382e9b39c4a",
              "status": "affected",
              "version": "e4b1d67e71419c4af581890ecea84b04920d4116",
              "versionType": "git"
            },
            {
              "lessThan": "b233e7836d98d1790e71f5f3734a86409664f341",
              "status": "affected",
              "version": "e4b1d67e71419c4af581890ecea84b04920d4116",
              "versionType": "git"
            },
            {
              "lessThan": "b37c4d0a2fd90c0c31223acd37f763eb8953ed1a",
              "status": "affected",
              "version": "e4b1d67e71419c4af581890ecea84b04920d4116",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/mailbox/mailbox-mchp-ipc-sbi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.14"
            },
            {
              "lessThan": "6.14",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.47",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.1",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3-rc1",
              "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\nmailbox: mchp-ipc-sbi: Add null check for devm_kasprintf()\n\nAdd a check to see if devm_kasprintf() is not NULL in\nmchp_ipc_get_cluster_aggr_irq(), returning -ENOMEM if the function\nfailed."
    }
  ],
  "id": "CVE-2026-80822",
  "lastModified": "2026-09-07T15:17:33.090",
  "metrics": {},
  "published": "2026-09-04T16:18:09.970",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/364edaedf4125825781a12c84c77699780d52a16"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/b233e7836d98d1790e71f5f3734a86409664f341"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/b37c4d0a2fd90c0c31223acd37f763eb8953ed1a"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/df5c9816986b2f4d754ef3aa65a92382e9b39c4a"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Received"
}

CVE-2026-80822 (GCVE-0-2026-80822)

Vulnerability from cvelistv5 – Published: 2026-09-04 15:27 – Updated: 2026-09-07 14:21

Title

mailbox: mchp-ipc-sbi: Add null check for devm_kasprintf()

Summary

Severity

No CVSS data available.

Assigner

Linux mitre root

References

4 references

URL	Tags
https://git.kernel.org/stable/c/364edaedf41258257…
https://git.kernel.org/stable/c/df5c9816986b2f4d7…
https://git.kernel.org/stable/c/b233e7836d98d1790…
https://git.kernel.org/stable/c/b37c4d0a2fd90c0c3…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: e4b1d67e71419c4af581890ecea84b04920d4116 , < 364edaedf4125825781a12c84c77699780d52a16 (git) Affected: e4b1d67e71419c4af581890ecea84b04920d4116 , < df5c9816986b2f4d754ef3aa65a92382e9b39c4a (git) Affected: e4b1d67e71419c4af581890ecea84b04920d4116 , < b233e7836d98d1790e71f5f3734a86409664f341 (git) Affected: e4b1d67e71419c4af581890ecea84b04920d4116 , < b37c4d0a2fd90c0c31223acd37f763eb8953ed1a (git)
Linux	Linux	Affected: 6.14 Unaffected: 0 , < 6.14 (semver) Unaffected: 6.18.47 , ≤ 6.18.* (semver) Unaffected: 7.1.11 , ≤ 7.1.* (semver) Unaffected: 7.2.1 , ≤ 7.2.* (semver) Unaffected: 7.3-rc1 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/mailbox/mailbox-mchp-ipc-sbi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "364edaedf4125825781a12c84c77699780d52a16",
              "status": "affected",
              "version": "e4b1d67e71419c4af581890ecea84b04920d4116",
              "versionType": "git"
            },
            {
              "lessThan": "df5c9816986b2f4d754ef3aa65a92382e9b39c4a",
              "status": "affected",
              "version": "e4b1d67e71419c4af581890ecea84b04920d4116",
              "versionType": "git"
            },
            {
              "lessThan": "b233e7836d98d1790e71f5f3734a86409664f341",
              "status": "affected",
              "version": "e4b1d67e71419c4af581890ecea84b04920d4116",
              "versionType": "git"
            },
            {
              "lessThan": "b37c4d0a2fd90c0c31223acd37f763eb8953ed1a",
              "status": "affected",
              "version": "e4b1d67e71419c4af581890ecea84b04920d4116",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/mailbox/mailbox-mchp-ipc-sbi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.14"
            },
            {
              "lessThan": "6.14",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.47",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.1",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3-rc1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.47",
                  "versionStartIncluding": "6.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.11",
                  "versionStartIncluding": "6.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2.1",
                  "versionStartIncluding": "6.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.3-rc1",
                  "versionStartIncluding": "6.14",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmailbox: mchp-ipc-sbi: Add null check for devm_kasprintf()\n\nAdd a check to see if devm_kasprintf() is not NULL in\nmchp_ipc_get_cluster_aggr_irq(), returning -ENOMEM if the function\nfailed."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-07T14:21:17.974Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/364edaedf4125825781a12c84c77699780d52a16"
        },
        {
          "url": "https://git.kernel.org/stable/c/df5c9816986b2f4d754ef3aa65a92382e9b39c4a"
        },
        {
          "url": "https://git.kernel.org/stable/c/b233e7836d98d1790e71f5f3734a86409664f341"
        },
        {
          "url": "https://git.kernel.org/stable/c/b37c4d0a2fd90c0c31223acd37f763eb8953ed1a"
        }
      ],
      "title": "mailbox: mchp-ipc-sbi: Add null check for devm_kasprintf()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-80822",
    "datePublished": "2026-09-04T15:27:45.268Z",
    "dateReserved": "2026-08-26T14:34:25.795Z",
    "dateUpdated": "2026-09-07T14:21:17.974Z",
    "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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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