Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2015-2925

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."

Published

2015-11-16T11:59:00.117

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.9 (MEDIUM)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.4

Impact Score

10.0

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 3.2.72	Yes
Operating System	linux	linux_kernel	< 3.4.110	Yes
Operating System	linux	linux_kernel	< 3.10.91	Yes
Operating System	linux	linux_kernel	< 3.12.49	Yes
Operating System	linux	linux_kernel	< 3.14.55	Yes
Operating System	linux	linux_kernel	< 3.16.35	Yes
Operating System	linux	linux_kernel	< 3.18.23	Yes
Operating System	linux	linux_kernel	< 4.1.11	Yes
Operating System	linux	linux_kernel	< 4.2.4	Yes
Operating System	debian	debian_linux	7.0	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	canonical	ubuntu_linux	12.04	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	15.04	Yes

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=397d425dc26da728396e66d392d5dcb8dac30c37 Third Party Advisory ([email protected])
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cde93be45a8a90d8c264c776fab63487b5038a65 Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00018.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00007.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00009.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00017.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00018.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00019.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00020.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00021.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00022.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00034.html Mailing List, Third Party Advisory ([email protected])
http://permalink.gmane.org/gmane.linux.kernel.containers/29173 Broken Link ([email protected])
http://permalink.gmane.org/gmane.linux.kernel.containers/29177 Broken Link ([email protected])
http://pkgs.fedoraproject.org/cgit/kernel.git/commit/?h=f22&id=520b64102de2f184036024b2a53de2b67463bd78 Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2015-2636.html Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2016-0068.html Third Party Advisory ([email protected])
http://www.debian.org/security/2015/dsa-3364 Third Party Advisory ([email protected])
http://www.debian.org/security/2015/dsa-3372 Third Party Advisory ([email protected])
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.2.4 Vendor Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2015/04/04/4 Mailing List, Third Party Advisory ([email protected])
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html Third Party Advisory ([email protected])
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/73926 Third Party Advisory, VDB Entry ([email protected])
http://www.ubuntu.com/usn/USN-2792-1 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-2794-1 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-2795-1 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-2798-1 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-2799-1 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1209367 Issue Tracking, Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1209373 Issue Tracking, Third Party Advisory ([email protected])
https://github.com/torvalds/linux/commit/397d425dc26da728396e66d392d5dcb8dac30c37 Third Party Advisory ([email protected])
https://github.com/torvalds/linux/commit/cde93be45a8a90d8c264c776fab63487b5038a65 Third Party Advisory ([email protected])
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=397d425dc26da728396e66d392d5dcb8dac30c37 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cde93be45a8a90d8c264c776fab63487b5038a65 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00018.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00007.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00009.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00017.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00018.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00019.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00020.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00021.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00022.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00034.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://permalink.gmane.org/gmane.linux.kernel.containers/29173 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://permalink.gmane.org/gmane.linux.kernel.containers/29177 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://pkgs.fedoraproject.org/cgit/kernel.git/commit/?h=f22&id=520b64102de2f184036024b2a53de2b67463bd78 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2015-2636.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2016-0068.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2015/dsa-3364 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2015/dsa-3372 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.2.4 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2015/04/04/4 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/73926 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2792-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2794-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2795-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2798-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2799-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1209367 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1209373 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/torvalds/linux/commit/397d425dc26da728396e66d392d5dcb8dac30c37 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/torvalds/linux/commit/cde93be45a8a90d8c264c776fab63487b5038a65 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)