ghsa-w56x-hj26-mq65
Vulnerability from github
Published
2022-05-24 17:27
Modified
2022-05-24 17:27
Severity ?
7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Details

A TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c, aka CID-b4487b935452.

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{
  "affected": [],
  "aliases": [
    "CVE-2020-25212"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-367",
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-09-09T16:15:00Z",
    "severity": "MODERATE"
  },
  "details": "A TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c, aka CID-b4487b935452.",
  "id": "GHSA-w56x-hj26-mq65",
  "modified": "2022-05-24T17:27:41Z",
  "published": "2022-05-24T17:27:41Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-25212"
    },
    {
      "type": "WEB",
      "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b4487b93545214a9db8cbf32e86411677b0cca21"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html"
    },
    {
      "type": "WEB",
      "url": "https://twitter.com/grsecurity/status/1303370421958578179"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4525-1"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4527-1"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4578-1"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00035.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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