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CVE-2026-72424

Estado: RecibidaSin puntuar—

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

rtc: msc313: fix NULL deref in shared IRQ handler at probe

msc313_rtc_probe() calls devm_request_irq() with IRQF_SHARED and &pdev->dev as the cookie, but platform_set_drvdata() is only called later after the clock setup. With a shared IRQ line, another device on the same line can trigger the handler in that window. The handler does dev_get_drvdata() on the cookie, gets NULL, and dereferences priv->rtc_base in interrupt context.

Pass priv as the cookie directly so the handler reads it from dev_id without the lookup, removing the dependency on probe order.

CVSS

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

Probabilidad de explotación (EPSS)

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 KernelAI

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-72424",
  "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": "be7d9c9161b9c76edeff15e79edc2f256568fe05",
              "lessThan": "ece7b9ffde23e2ccd7567761ac27463ded43932c",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "be7d9c9161b9c76edeff15e79edc2f256568fe05",
              "lessThan": "52c73b6992b46ed476590ed526faa033d4fbfc5d",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "be7d9c9161b9c76edeff15e79edc2f256568fe05",
              "lessThan": "bc1f61a9b97d65de21c2681bcf0b5b1392c58486",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "be7d9c9161b9c76edeff15e79edc2f256568fe05",
              "lessThan": "1f6a4aec0d36647eb2f67cd69db22bd28cabe2cb",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "be7d9c9161b9c76edeff15e79edc2f256568fe05",
              "lessThan": "bb3e624808c981fe881cb79037be63e680ed7d38",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "be7d9c9161b9c76edeff15e79edc2f256568fe05",
              "lessThan": "a369f48be8de426a7d2bca18dbd46c2ad1138803",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/rtc/rtc-msc313.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.16"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "5.16",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.1.178",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.6.145",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "status": "unaffected",
              "version": "6.12.97",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "status": "unaffected",
              "version": "6.18.40",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "status": "unaffected",
              "version": "7.1.5",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/rtc/rtc-msc313.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-08-15T06:22:16.210",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/1f6a4aec0d36647eb2f67cd69db22bd28cabe2cb",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/52c73b6992b46ed476590ed526faa033d4fbfc5d",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/a369f48be8de426a7d2bca18dbd46c2ad1138803",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/bb3e624808c981fe881cb79037be63e680ed7d38",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/bc1f61a9b97d65de21c2681bcf0b5b1392c58486",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/ece7b9ffde23e2ccd7567761ac27463ded43932c",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Received",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrtc: msc313: fix NULL deref in shared IRQ handler at probe\n\nmsc313_rtc_probe() calls devm_request_irq() with IRQF_SHARED and\n&pdev->dev as the cookie, but platform_set_drvdata() is only called\nlater after the clock setup. With a shared IRQ line, another device\non the same line can trigger the handler in that window. The\nhandler does dev_get_drvdata() on the cookie, gets NULL, and\ndereferences priv->rtc_base in interrupt context.\n\nPass priv as the cookie directly so the handler reads it from\ndev_id without the lookup, removing the dependency on probe order."
    }
  ],
  "lastModified": "2026-08-17T06:19:09.653",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}