nvd-json-data-feeds/CVE-2024/CVE-2024-438xx/CVE-2024-43889.json

{
  "id": "CVE-2024-43889",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-08-26T11:15:03.980",
  "lastModified": "2024-08-27T14:38:09.340",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npadata: Fix possible divide-by-0 panic in padata_mt_helper()\n\nWe are hit with a not easily reproducible divide-by-0 panic in padata.c at\nbootup time.\n\n  [   10.017908] Oops: divide error: 0000 1 PREEMPT SMP NOPTI\n  [   10.017908] CPU: 26 PID: 2627 Comm: kworker/u1666:1 Not tainted 6.10.0-15.el10.x86_64 #1\n  [   10.017908] Hardware name: Lenovo ThinkSystem SR950 [7X12CTO1WW]/[7X12CTO1WW], BIOS [PSE140J-2.30] 07/20/2021\n  [   10.017908] Workqueue: events_unbound padata_mt_helper\n  [   10.017908] RIP: 0010:padata_mt_helper+0x39/0xb0\n    :\n  [   10.017963] Call Trace:\n  [   10.017968]  <TASK>\n  [   10.018004]  ? padata_mt_helper+0x39/0xb0\n  [   10.018084]  process_one_work+0x174/0x330\n  [   10.018093]  worker_thread+0x266/0x3a0\n  [   10.018111]  kthread+0xcf/0x100\n  [   10.018124]  ret_from_fork+0x31/0x50\n  [   10.018138]  ret_from_fork_asm+0x1a/0x30\n  [   10.018147]  </TASK>\n\nLooking at the padata_mt_helper() function, the only way a divide-by-0\npanic can happen is when ps->chunk_size is 0.  The way that chunk_size is\ninitialized in padata_do_multithreaded(), chunk_size can be 0 when the\nmin_chunk in the passed-in padata_mt_job structure is 0.\n\nFix this divide-by-0 panic by making sure that chunk_size will be at least\n1 no matter what the input parameters are."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: padata: corrige un posible p\u00e1nico de divisi\u00f3n por 0 en padata_mt_helper() Nos encontramos con un p\u00e1nico de divisi\u00f3n por 0 que no es f\u00e1cilmente reproducible en padata.c en el momento del arranque. [ 10.017908] Vaya: error de divisi\u00f3n: 0000 1 PREEMPT SMP NOPTI [ 10.017908] CPU: 26 PID: 2627 Comm: kworker/u1666:1 No contaminado 6.10.0-15.el10.x86_64 #1 [ 10.017908] Nombre del hardware: Lenovo ThinkSystem SR950 [7X12CTO1WW]/[7X12CTO1WW], BIOS [PSE140J-2.30] 20/07/2021 [10.017908] Cola de trabajo: events_unbound padata_mt_helper [10.017908] RIP: 0010:padata_mt_helper+0x39/0xb0: [ 10.017963] Seguimiento de llamadas: [ 10.017968] &lt; TAREA&gt; [10.018004] ? padata_mt_helper+0x39/0xb0 [ 10.018084] proceso_one_work+0x174/0x330 [ 10.018093] trabajador_thread+0x266/0x3a0 [ 10.018111] kthread+0xcf/0x100 [ 10.018124] 1/0x50 [ 10.018138] ret_from_fork_asm+0x1a/0x30 [ 10.018147]  Mirando la funci\u00f3n padata_mt_helper(), la \u00fanica forma en que puede ocurrir un p\u00e1nico de divisi\u00f3n por 0 es cuando ps-&gt;chunk_size es 0. La forma en que chunk_size se inicializa en padata_do_multithreaded(), chunk_size puede ser 0 cuando min_chunk en la estructura pasada padata_mt_job es 0. Solucione este p\u00e1nico de divisi\u00f3n por 0 asegur\u00e1ndose de que chunk_size sea al menos 1 sin importar cu\u00e1les sean los par\u00e1metros de entrada."
    }
  ],
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        "source": "nvd@nist.gov",
        "type": "Primary",
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          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
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