ghsa-wx9f-x53v-pqrr
Vulnerability from github
Published
2022-05-24 17:36
Modified
2022-09-03 00:00
Severity ?
5.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H
Details

A use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel (5.10-rc1). There was a race problem in trace_open and resize of cpu buffer running in parallel on different cpus, may cause a denial of service problem (DOS). This flaw could even allow a local attacker with special user privilege to a kernel information leak threat.

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{
  "affected": [],
  "aliases": [
    "CVE-2020-27825"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-362"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-12-11T19:15:00Z",
    "severity": "MODERATE"
  },
  "details": "A use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel (5.10-rc1). There was a race problem in trace_open and resize of cpu buffer running in parallel on different cpus, may cause a denial of service problem (DOS). This flaw could even allow a local attacker with special user privilege to a kernel information leak threat.",
  "id": "GHSA-wx9f-x53v-pqrr",
  "modified": "2022-09-03T00:00:23Z",
  "published": "2022-05-24T17:36:04Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-27825"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1905155"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20210521-0008"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2021/dsa-4843"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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