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CVE-2025-68173

Estado: AplazadaSin puntuar—

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

ftrace: Fix softlockup in ftrace_module_enable

A soft lockup was observed when loading amdgpu module. If a module has a lot of tracable functions, multiple calls to kallsyms_lookup can spend too much time in RCU critical section and with disabled preemption, causing kernel panic. This is the same issue that was fixed in commit d0b24b4e91fc ("ftrace: Prevent RCU stall on PREEMPT_VOLUNTARY kernels") and commit 42ea22e754ba ("ftrace: Add cond_resched() to ftrace_graph_set_hash()").

Fix it the same way by adding cond_resched() in ftrace_module_enable.

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)

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{
  "id": "CVE-2025-68173",
  "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": "b7ffffbb46f205e7727a18bcc7a46c3c2b534f7c",
              "lessThan": "a1dd0abd741a8111260676da729825d6c1461a71",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "b7ffffbb46f205e7727a18bcc7a46c3c2b534f7c",
              "lessThan": "e81e6d6d99b16dae11adbeda5c996317942a940c",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "b7ffffbb46f205e7727a18bcc7a46c3c2b534f7c",
              "lessThan": "40c8ee40e48a2c82c762539952ed8fc0571db5bf",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "b7ffffbb46f205e7727a18bcc7a46c3c2b534f7c",
              "lessThan": "7e3c96010ade29bb340a5bdce8675f50c7f59001",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "b7ffffbb46f205e7727a18bcc7a46c3c2b534f7c",
              "lessThan": "4099b98203d6b33d990586542fa5beee408032a3",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "kernel/trace/ftrace.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.5"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "4.5",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.1.159",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.6.117",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "status": "unaffected",
              "version": "6.12.58",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "status": "unaffected",
              "version": "6.17.8",
              "versionType": "semver",
              "lessThanOrEqual": "6.17.*"
            },
            {
              "status": "unaffected",
              "version": "6.18",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "kernel/trace/ftrace.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-12-16T14:15:49.213",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/4099b98203d6b33d990586542fa5beee408032a3",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/40c8ee40e48a2c82c762539952ed8fc0571db5bf",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/7e3c96010ade29bb340a5bdce8675f50c7f59001",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/a1dd0abd741a8111260676da729825d6c1461a71",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e81e6d6d99b16dae11adbeda5c996317942a940c",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Deferred",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nftrace: Fix softlockup in ftrace_module_enable\n\nA soft lockup was observed when loading amdgpu module.\nIf a module has a lot of tracable functions, multiple calls\nto kallsyms_lookup can spend too much time in RCU critical\nsection and with disabled preemption, causing kernel panic.\nThis is the same issue that was fixed in\ncommit d0b24b4e91fc (\"ftrace: Prevent RCU stall on PREEMPT_VOLUNTARY\nkernels\") and commit 42ea22e754ba (\"ftrace: Add cond_resched() to\nftrace_graph_set_hash()\").\n\nFix it the same way by adding cond_resched() in ftrace_module_enable."
    }
  ],
  "lastModified": "2026-06-17T09:58:40.837",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}