{
  "modified": "2025-08-09T19:01:27Z",
  "published": "2016-10-16T21:59:03Z",
  "id": "CVE-2015-8953",
  "details": "fs/overlayfs/copy_up.c in the Linux kernel before 4.2.6 uses an incorrect cleanup code path, which allows local users to cause a denial of service (dentry reference leak) via filesystem operations on a large file in a lower overlayfs layer.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ab79efab0a0ba01a74df782eb7fa44b044dae8b5"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.2.6"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.openwall.com/lists/oss-security/2016/08/23/9"
    },
    {
      "type": "ADVISORY",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1367814"
    },
    {
      "type": "EVIDENCE",
      "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ab79efab0a0ba01a74df782eb7fa44b044dae8b5"
    },
    {
      "type": "EVIDENCE",
      "url": "http://www.openwall.com/lists/oss-security/2016/08/23/9"
    },
    {
      "type": "FIX",
      "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ab79efab0a0ba01a74df782eb7fa44b044dae8b5"
    },
    {
      "type": "FIX",
      "url": "https://github.com/torvalds/linux/commit/ab79efab0a0ba01a74df782eb7fa44b044dae8b5"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1367814"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/92611"
    }
  ]
}
