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CVE-2015-2925

Good to know:

Date: November 16, 2015

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."

Language: C

Severity Score

7.4

Related Resources (39)

Url: https://bugzilla.redhat.com/show_bug.cgi?id=1209373

Url: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cde93be45a8a90d8c264c776fab63487b5038a65

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2015-2925

Url: http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html

Url: http://www.ubuntu.com/usn/USN-2792-1

Url: http://rhn.redhat.com/errata/RHSA-2015-2636.html

Url: http://www.ubuntu.com/usn/USN-2795-1

Url: http://www.ubuntu.com/usn/USN-2794-1

Url: https://nvd.nist.gov/vuln/detail/CVE-2015-2925

Url: http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00009.html

Url: http://www.ubuntu.com/usn/USN-2799-1

Url: http://www.openwall.com/lists/oss-security/2015/04/04/4

Url: https://github.com/torvalds/linux/commit/397d425dc26da728396e66d392d5dcb8dac30c37

Url: http://www.ubuntu.com/usn/USN-2798-1

Url: http://rhn.redhat.com/errata/RHSA-2016-0068.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00017.html

Url: http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.2.4

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00022.html

Url: http://www.debian.org/security/2015/dsa-3372

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00018.html

Url: http://permalink.gmane.org/gmane.linux.kernel.containers/29173

Url: http://www.debian.org/security/2015/dsa-3364

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00007.html

Url: https://bugzilla.redhat.com/show_bug.cgi?id=1209367

Url: http://permalink.gmane.org/gmane.linux.kernel.containers/29177

Url: http://pkgs.fedoraproject.org/cgit/kernel.git/commit/?h=f22&id=520b64102de2f184036024b2a53de2b67463bd78

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00021.html

Url: http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00018.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00034.html

Url: http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00020.html

Url: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=397d425dc26da728396e66d392d5dcb8dac30c37

Url: http://www.securityfocus.com/bid/73926

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00019.html

Url: https://github.com/torvalds/linux/commit/cde93be45a8a90d8c264c776fab63487b5038a65

Url: https://security-tracker.debian.org/tracker/CVE-2015-2925

Url: https://access.redhat.com/security/cve/CVE-2015-2925

Url: https://www.mend.io/vulnerability-database/CVE-2015-2925

Severity Score

7.4

Weakness Type (CWE)

Security Features

CWE-254

Top Fix

Upgrade Version

Upgrade to version 4.2.4

Learn More

CVSS v3.1

Base Score:	7.4
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	HIGH
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	6.9
Access Vector (AV):	LOCAL
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

Mend.io Vulnerability Database

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CVE-2015-2925

Good to know:

Date: November 16, 2015

Language: C

Severity Score

Related Resources (39)

Severity Score

Weakness Type (CWE)

Top Fix

Upgrade Version

CVSS v3.1

CVSS v2

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