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FKIE_CVE-2020-25285

Vulnerability from fkie_nvd - Published: 2020-09-13 18:15 - Updated: 2026-06-17 03:06
Severity
6.4 (Medium) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
A race condition between hugetlb sysctl handlers in mm/hugetlb.c in the Linux kernel before 5.8.8 could be used by local attackers to corrupt memory, cause a NULL pointer dereference, or possibly have unspecified other impact, aka CID-17743798d812.
References
cve@mitre.orghttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.8Release Notes, Vendor Advisory
cve@mitre.orghttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=17743798d81238ab13050e8e2833699b54e15467Patch, Vendor Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2020/09/msg00025.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2020/10/msg00032.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2020/10/msg00034.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20201009-0002/Third Party Advisory
cve@mitre.orghttps://twitter.com/grsecurity/status/1303749848898904067Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/4576-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/4579-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.8Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=17743798d81238ab13050e8e2833699b54e15467Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/09/msg00025.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/10/msg00032.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/10/msg00034.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20201009-0002/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://twitter.com/grsecurity/status/1303749848898904067Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4576-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4579-1/Third Party Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
debian debian_linux 9.0
canonical ubuntu_linux 14.04
canonical ubuntu_linux 16.04
canonical ubuntu_linux 18.04
canonical ubuntu_linux 20.04
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A race condition between hugetlb sysctl handlers in mm/hugetlb.c in the Linux kernel before 5.8.8 could be used by local attackers to corrupt memory, cause a NULL pointer dereference, or possibly have unspecified other impact, aka CID-17743798d812."
    },
    {
      "lang": "es",
      "value": "Una condici\u00f3n de carrera entre los manejadores hugetlb sysctl en el archivo mm/hugetlb.c en el kernel de Linux versiones anteriores a 5.8.8, podr\u00eda ser usada por atacantes locales para corromper la memoria, causar una desreferencia del puntero NULL o posiblemente tener otro impacto no especificado, tambi\u00e9n se conoce como CID-17743798d812"
    }
  ],
  "id": "CVE-2020-25285",
  "lastModified": "2026-06-17T03:06:43.593",
  "metrics": {
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        "baseSeverity": "MEDIUM",
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          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.4,
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          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
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        "exploitabilityScore": 3.4,
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        "obtainAllPrivilege": false,
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  "published": "2020-09-13T18:15:09.990",
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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