ghsa-cx5x-f2xm-m2cr
Vulnerability from github
Published
2022-05-17 05:15
Modified
2022-05-17 05:15
Details

The ext4_fill_flex_info function in fs/ext4/super.c in the Linux kernel before 3.2.2, on the x86 platform and unspecified other platforms, allows user-assisted remote attackers to trigger inconsistent filesystem-groups data and possibly cause a denial of service via a malformed ext4 filesystem containing a super block with a large FLEX_BG group size (aka s_log_groups_per_flex value). NOTE: this vulnerability exists because of an incomplete fix for CVE-2009-4307.

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{
  "affected": [],
  "aliases": [
    "CVE-2012-2100"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2012-07-03T16:40:00Z",
    "severity": "HIGH"
  },
  "details": "The ext4_fill_flex_info function in fs/ext4/super.c in the Linux kernel before 3.2.2, on the x86 platform and unspecified other platforms, allows user-assisted remote attackers to trigger inconsistent filesystem-groups data and possibly cause a denial of service via a malformed ext4 filesystem containing a super block with a large FLEX_BG group size (aka s_log_groups_per_flex value).  NOTE: this vulnerability exists because of an incomplete fix for CVE-2009-4307.",
  "id": "GHSA-cx5x-f2xm-m2cr",
  "modified": "2022-05-17T05:15:19Z",
  "published": "2022-05-17T05:15:19Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2012-2100"
    },
    {
      "type": "WEB",
      "url": "https://github.com/torvalds/linux/commit/d50f2ab6f050311dbf7b8f5501b25f0bf64a439b"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=809687"
    },
    {
      "type": "WEB",
      "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d50f2ab6f050311dbf7b8f5501b25f0bf64a439b"
    },
    {
      "type": "WEB",
      "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d50f2ab6f050311dbf7b8f5501b25f0bf64a439b"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2012-1445.html"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2012-1580.html"
    },
    {
      "type": "WEB",
      "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2012/04/12/11"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/53414"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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