{
  "schema_version": "1.4.0",
  "id": "GHSA-7g2j-wp9p-8rcr",
  "modified": "2022-05-02T03:29:42Z",
  "published": "2022-05-02T03:29:42Z",
  "aliases": [
    "CVE-2009-1897"
  ],
  "details": "The tun_chr_poll function in drivers/net/tun.c in the tun subsystem in the Linux kernel 2.6.30 and 2.6.30.1, when the -fno-delete-null-pointer-checks gcc option is omitted, allows local users to gain privileges via vectors involving a NULL pointer dereference and an mmap of /dev/net/tun, a different vulnerability than CVE-2009-1894.",
  "severity": [],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2009-1897"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=512284"
    },
    {
      "type": "WEB",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/51803"
    },
    {
      "type": "WEB",
      "url": "https://www.redhat.com/en/blog/security-flaws-caused-compiler-optimizations"
    },
    {
      "type": "WEB",
      "url": "http://archives.neohapsis.com/archives/fulldisclosure/2009-07/0241.html"
    },
    {
      "type": "WEB",
      "url": "http://archives.neohapsis.com/archives/fulldisclosure/2009-07/0246.html"
    },
    {
      "type": "WEB",
      "url": "http://article.gmane.org/gmane.linux.network/124939"
    },
    {
      "type": "WEB",
      "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3c8a9c63d5fd738c261bd0ceece04d9c8357ca13"
    },
    {
      "type": "WEB",
      "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3c8a9c63d5fd738c261bd0ceece04d9c8357ca13"
    },
    {
      "type": "WEB",
      "url": "http://grsecurity.net/~spender/cheddar_bay.tgz"
    },
    {
      "type": "WEB",
      "url": "http://isc.sans.org/diary.html?storyid=6820"
    },
    {
      "type": "WEB",
      "url": "http://lkml.org/lkml/2009/7/6/19"
    },
    {
      "type": "WEB",
      "url": "http://secunia.com/advisories/35839"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2009/07/17/1"
    },
    {
      "type": "WEB",
      "url": "http://www.vupen.com/english/advisories/2009/1925"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "severity": "MODERATE",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2009-07-20T17:30:00Z"
  }
}