{
  "id": "CVE-2022-48671",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-05-03T15:15:07.433",
  "lastModified": "2024-05-23T20:26:32.357",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncgroup: Add missing cpus_read_lock() to cgroup_attach_task_all()\n\nsyzbot is hitting percpu_rwsem_assert_held(&cpu_hotplug_lock) warning at\ncpuset_attach() [1], for commit 4f7e7236435ca0ab (\"cgroup: Fix\nthreadgroup_rwsem <-> cpus_read_lock() deadlock\") missed that\ncpuset_attach() is also called from cgroup_attach_task_all().\nAdd cpus_read_lock() like what cgroup_procs_write_start() does."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: cgroup: agregue cpus_read_lock() faltante a cgroup_attach_task_all() syzbot est\u00e1 presionando la advertencia percpu_rwsem_assert_held(&amp;cpu_hotplug_lock) en cpuset_attach() [1], para el commit 4f7e7236435ca0ab (\"cgroup: Fix threadgroup_rwsem &lt;- &gt; cpus_read_lock() deadlock\") se perdi\u00f3 que cpuset_attach() tambi\u00e9n se llama desde cgroup_attach_task_all(). Agregue cpus_read_lock() como lo hace cgroup_procs_write_start()."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
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          "lang": "en",
          "value": "CWE-667"
        }
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    }
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      "url": "https://git.kernel.org/stable/c/07191f984842d50020789ff14c75da436a7f46a9",
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