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

Vulnerability from cvelistv5 – Published: 2026-09-04 15:27 – Updated: 2026-09-07 14:21
VLAI
Title
mailbox: mchp-ipc-sbi: Add null check for devm_kasprintf()
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.
Severity
No CVSS data available.
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: e4b1d67e71419c4af581890ecea84b04920d4116 , < 364edaedf4125825781a12c84c77699780d52a16 (git)
Affected: e4b1d67e71419c4af581890ecea84b04920d4116 , < df5c9816986b2f4d754ef3aa65a92382e9b39c4a (git)
Affected: e4b1d67e71419c4af581890ecea84b04920d4116 , < b233e7836d98d1790e71f5f3734a86409664f341 (git)
Affected: e4b1d67e71419c4af581890ecea84b04920d4116 , < b37c4d0a2fd90c0c31223acd37f763eb8953ed1a (git)
guessed Create a notification for this product.
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)
guessed Create a notification for this product.
Show details on NVD website

{
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          "programFiles": [
            "drivers/mailbox/mailbox-mchp-ipc-sbi.c"
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                }
              ],
              "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."
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      "providerMetadata": {
        "dateUpdated": "2026-09-07T14:21:17.974Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "references": [
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          "url": "https://git.kernel.org/stable/c/364edaedf4125825781a12c84c77699780d52a16"
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  "cveMetadata": {
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    "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"
  },
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  "dataVersion": "5.2",
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      "date": "2026-09-14",
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      "percentile": "0.06395"
    },
    "microsoft_vex": {
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      "initial_release_date": "2026-09-11T01:51:10.000Z",
      "product_status:fixed": "1",
      "product_status:known_affected": "1",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "mailbox: mchp-ipc-sbi: Add null check for devm_kasprintf()",
      "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-80822.json",
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    "suse_vex": {
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      "cve": "CVE-2026-80822",
      "id": "CVE-2026-80822",
      "initial_release_date": "2026-09-08T00:08:50Z",
      "product_status:known_not_affected": "353",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-80822",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-80822.json",
      "version": "2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.

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