CVE-2026-80822

Estado: RecibidaSin puntuar—

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.

CVSS

NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.21%
Percentil entre todas las CVEs puntuadas: 10
Fecha de la puntuación: 5/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Linux — Linux Kernel^AI

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2026-80822",
  "cveTags": [],
  "metrics": {},
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "e4b1d67e71419c4af581890ecea84b04920d4116",
              "lessThan": "364edaedf4125825781a12c84c77699780d52a16",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "e4b1d67e71419c4af581890ecea84b04920d4116",
              "lessThan": "df5c9816986b2f4d754ef3aa65a92382e9b39c4a",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "e4b1d67e71419c4af581890ecea84b04920d4116",
              "lessThan": "b233e7836d98d1790e71f5f3734a86409664f341",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "e4b1d67e71419c4af581890ecea84b04920d4116",
              "lessThan": "b37c4d0a2fd90c0c31223acd37f763eb8953ed1a",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/mailbox/mailbox-mchp-ipc-sbi.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.14"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "6.14",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.18.47",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "status": "unaffected",
              "version": "7.1.11",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "status": "unaffected",
              "version": "7.2.1",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "status": "unaffected",
              "version": "7.3-rc1",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/mailbox/mailbox-mchp-ipc-sbi.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-09-04T16:18:09.970",
  "references": [
    {
      "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",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Received",
  "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."
    }
  ],
  "lastModified": "2026-09-07T15:17:33.090",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}