fkie_cve-2024-43832
Vulnerability from fkie_nvd
Published
2024-08-17 10:15
Modified
2024-08-19 12:59
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: s390/uv: Don't call folio_wait_writeback() without a folio reference folio_wait_writeback() requires that no spinlocks are held and that a folio reference is held, as documented. After we dropped the PTL, the folio could get freed concurrently. So grab a temporary reference.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1a1eb2f3fc453dcd52726d13e863938561489cb7
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3f29f6537f54d74e64bac0a390fb2e26da25800d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8736604ef53359a718c246087cd21dcec232d2fb
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b21aba72aadd94bdac275deab021fc84d6c72b16
Impacted products
Vendor Product Version


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{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/uv: Don\u0027t call folio_wait_writeback() without a folio reference\n\nfolio_wait_writeback() requires that no spinlocks are held and that\na folio reference is held, as documented. After we dropped the PTL, the\nfolio could get freed concurrently. So grab a temporary reference."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: s390/uv: No llamar a folio_wait_writeback() sin una referencia de folio folio_wait_writeback() requiere que no se mantengan bloqueos de giro y que se mantenga una referencia de folio, como est\u00e1 documentado. Despu\u00e9s de que eliminemos el PTL, el folio podr\u00eda liberarse al mismo tiempo. As\u00ed que toma una referencia temporal."
    }
  ],
  "id": "CVE-2024-43832",
  "lastModified": "2024-08-19T12:59:59.177",
  "metrics": {},
  "published": "2024-08-17T10:15:08.980",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/1a1eb2f3fc453dcd52726d13e863938561489cb7"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/3f29f6537f54d74e64bac0a390fb2e26da25800d"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/8736604ef53359a718c246087cd21dcec232d2fb"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/b21aba72aadd94bdac275deab021fc84d6c72b16"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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