ghsa-w39x-wg96-vcgw
Vulnerability from github
Published
2022-05-02 03:53
Modified
2025-04-09 04:17
Details

The ext4_fill_flex_info function in fs/ext4/super.c in the Linux kernel before 2.6.32-git6 allows user-assisted remote attackers to cause a denial of service (divide-by-zero error and panic) via a malformed ext4 filesystem containing a super block with a large FLEX_BG group size (aka s_log_groups_per_flex value).

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{
  "affected": [],
  "aliases": [
    "CVE-2009-4307"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2009-12-13T01:30:00Z",
    "severity": "HIGH"
  },
  "details": "The ext4_fill_flex_info function in fs/ext4/super.c in the Linux kernel before 2.6.32-git6 allows user-assisted remote attackers to cause a denial of service (divide-by-zero error and panic) via a malformed ext4 filesystem containing a super block with a large FLEX_BG group size (aka s_log_groups_per_flex value).",
  "id": "GHSA-w39x-wg96-vcgw",
  "modified": "2025-04-09T04:17:12Z",
  "published": "2022-05-02T03:53:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2009-4307"
    },
    {
      "type": "WEB",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9874"
    },
    {
      "type": "WEB",
      "url": "http://bugzilla.kernel.org/show_bug.cgi?id=14287"
    },
    {
      "type": "WEB",
      "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=503358ae01b70ce6909d19dd01287093f6b6271c"
    },
    {
      "type": "WEB",
      "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=503358ae01b70ce6909d19dd01287093f6b6271c"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.html"
    },
    {
      "type": "WEB",
      "url": "http://lkml.org/lkml/2009/12/9/255"
    },
    {
      "type": "WEB",
      "url": "http://secunia.com/advisories/37658"
    },
    {
      "type": "WEB",
      "url": "http://secunia.com/advisories/38017"
    },
    {
      "type": "WEB",
      "url": "http://secunia.com/advisories/38276"
    },
    {
      "type": "WEB",
      "url": "http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.32-git6.log"
    },
    {
      "type": "WEB",
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:029"
    },
    {
      "type": "WEB",
      "url": "http://www.redhat.com/support/errata/RHSA-2010-0380.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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