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CVE-2026-68092

Estado: RecibidaSin puntuar—

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

time/jiffies: Register jiffies clocksource before usage

Teddy reported that a XEN HVM has a long boot delay, which was bisected to the recent enhancements to the negative motion detection. It turned out that the jiffies clocksource is used in early boot before it is registered, which leaves the max_delta_raw field at zero. That causes the read out to be clamped to the max delta of 0, which means time is not making progress.

Cure it by ensuring that it is initialized before its first usage in timekeeping_init().

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-2026-68092",
  "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": "1a678f6829a8c931fae2b62e4c88dae743c839c9",
              "lessThan": "fe9bdea65ba231fcfb155031628bb1e8491b5fe0",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "76031d9536a076bf023bedbdb1b4317fc801dd67",
              "lessThan": "cd25e9819620aa1325897912cfb4dd89303325fe",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "76031d9536a076bf023bedbdb1b4317fc801dd67",
              "lessThan": "75b478096c6bbf57fe366f7f0a8cd5365043ffaa",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "76031d9536a076bf023bedbdb1b4317fc801dd67",
              "lessThan": "f24df84cbe05e4471c04ac4b921fc0340bbc7752",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6.12.5",
              "lessThan": "6.12.97",
              "versionType": "semver"
            }
          ],
          "programFiles": [
            "kernel/time/jiffies.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.13"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "6.13",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.12.97",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "status": "unaffected",
              "version": "6.18.39",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "status": "unaffected",
              "version": "7.1.4",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "kernel/time/jiffies.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-08-10T12:17:22.030",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/75b478096c6bbf57fe366f7f0a8cd5365043ffaa",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/cd25e9819620aa1325897912cfb4dd89303325fe",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/f24df84cbe05e4471c04ac4b921fc0340bbc7752",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/fe9bdea65ba231fcfb155031628bb1e8491b5fe0",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Received",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntime/jiffies: Register jiffies clocksource before usage\n\nTeddy reported that a XEN HVM has a long boot delay, which was bisected to\nthe recent enhancements to the negative motion detection. It turned out\nthat the jiffies clocksource is used in early boot before it is registered,\nwhich leaves the max_delta_raw field at zero. That causes the read out to\nbe clamped to the max delta of 0, which means time is not making progress.\n\nCure it by ensuring that it is initialized before its first usage in\ntimekeeping_init()."
    }
  ],
  "lastModified": "2026-08-17T05:18:08.450",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}