CVE-2015-2925 (GCVE-0-2015-2925)

Vulnerability from cvelistv5 – Published: 2015-11-16 11:00 – Updated: 2024-08-06 05:32
VLAI
Summary
The prepend_path function in fs/dcache.c in the Linux kernel before 4.2.4 does not properly handle rename actions inside a bind mount, which allows local users to bypass an intended container protection mechanism by renaming a directory, related to a "double-chroot attack."
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://rhn.redhat.com/errata/RHSA-2015-2636.html vendor-advisoryx_refsource_REDHAT
http://www.debian.org/security/2015/dsa-3372 vendor-advisoryx_refsource_DEBIAN
http://permalink.gmane.org/gmane.linux.kernel.con… mailing-listx_refsource_MLIST
http://rhn.redhat.com/errata/RHSA-2016-0068.html vendor-advisoryx_refsource_REDHAT
http://pkgs.fedoraproject.org/cgit/kernel.git/com… x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.ubuntu.com/usn/USN-2792-1 vendor-advisoryx_refsource_UBUNTU
http://www.securityfocus.com/bid/73926 vdb-entryx_refsource_BID
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.debian.org/security/2015/dsa-3364 vendor-advisoryx_refsource_DEBIAN
http://www.ubuntu.com/usn/USN-2794-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-2799-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-2795-1 vendor-advisoryx_refsource_UBUNTU
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
http://permalink.gmane.org/gmane.linux.kernel.con… mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://git.kernel.org/cgit/linux/kernel/git/torva… x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.openwall.com/lists/oss-security/2015/04/04/4 mailing-listx_refsource_MLIST
http://www.kernel.org/pub/linux/kernel/v4.x/Chang… x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1209367 x_refsource_CONFIRM
http://git.kernel.org/cgit/linux/kernel/git/torva… x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://github.com/torvalds/linux/commit/cde93be4… x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1209373 x_refsource_CONFIRM
https://github.com/torvalds/linux/commit/397d425d… x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.ubuntu.com/usn/USN-2798-1 vendor-advisoryx_refsource_UBUNTU
Date Public
2015-04-03 00:00
Show details on NVD website
To clipboard 

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    "cveId": "CVE-2015-2925",
    "datePublished": "2015-11-16T11:00:00.000Z",
    "dateReserved": "2015-04-04T00:00:00.000Z",
    "dateUpdated": "2024-08-06T05:32:20.368Z",
    "state": "PUBLISHED"
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      "date": "2026-07-14",
      "epss": "0.01246",
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"The prepend_path function in fs/dcache.c in the Linux kernel before 4.2.4 does not properly handle rename actions inside a bind mount, which allows local users to bypass an intended container protection mechanism by renaming a directory, related to a \\\"double-chroot attack.\\\"\"}, {\"lang\": \"es\", \"value\": \"La funci\\u00f3n prepend_path en fs/dcache.c en el kernel Linux en versiones anteriores a 4.2.4 no maneja adecuadamente el cambio de nombre de las acciones dentro de un enlace de montaje, lo que permite a usuarios locales eludir un mecanismo de protecci\\u00f3n destinado al contenedor mediante el cambio de nombre de un directorio, relacionado con un \u0027double-chroot attack\u0027.\"}]",
      "id": "CVE-2015-2925",
      "lastModified": "2024-11-21T02:28:19.597",
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      "published": "2015-11-16T11:59:00.117",
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      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-Other\"}]}]"
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Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.ubuntu.com/usn/USN-2792-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.ubuntu.com/usn/USN-2794-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.ubuntu.com/usn/USN-2795-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.ubuntu.com/usn/USN-2798-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.ubuntu.com/usn/USN-2799-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1209367\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1209373\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/torvalds/linux/commit/397d425dc26da728396e66d392d5dcb8dac30c37\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/torvalds/linux/commit/cde93be45a8a90d8c264c776fab63487b5038a65\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-06-28T10:56:33+00:00",
      "cve": "CVE-2015-2925",
      "id": "CVE-2015-2925",
      "initial_release_date": "2015-04-03T00:00:00+00:00",
      "product_status:fixed": "489",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Kernel: vfs: Do not allow escaping from bind mounts",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-2925.json",
      "version": "3"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.