Vulnerability Details : 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."
Exploit prediction scoring system (EPSS) score for CVE-2015-2925
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 8 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2015-2925
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
6.9
|
MEDIUM | AV:L/AC:M/Au:N/C:C/I:C/A:C |
3.4
|
10.0
|
NIST |
CWE ids for CVE-2015-2925
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Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-2925
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http://www.debian.org/security/2015/dsa-3364
Debian -- Security Information -- DSA-3364-1 linux
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http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html
[security-announce] SUSE-SU-2015:2194-1: important: Security update for
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http://pkgs.fedoraproject.org/cgit/kernel.git/commit/?h=f22&id=520b64102de2f184036024b2a53de2b67463bd78
Page not found :'( - src.fedoraproject.org
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http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00021.html
[security-announce] SUSE-SU-2016:0386-1: important: Security update for
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http://permalink.gmane.org/gmane.linux.kernel.containers/29177
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http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.2.4
Vendor Advisory
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http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00019.html
[security-announce] SUSE-SU-2016:0383-1: important: Security update for
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http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cde93be45a8a90d8c264c776fab63487b5038a65
kernel/git/torvalds/linux.git - Linux kernel source treeVendor Advisory
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http://www.ubuntu.com/usn/USN-2794-1
USN-2794-1: Linux kernel vulnerabilities | Ubuntu security notices
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http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=397d425dc26da728396e66d392d5dcb8dac30c37
kernel/git/torvalds/linux.git - Linux kernel source tree
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https://bugzilla.redhat.com/show_bug.cgi?id=1209373
1209373 – CVE-2015-2925 Kernel: vfs: Do not allow escaping from bind mounts [fedora-all]
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http://www.securityfocus.com/bid/73926
Linux Kernel CVE-2015-2925 Local Privilege Escalation Vulnerability
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http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00009.html
[security-announce] SUSE-SU-2016:0337-1: important: Security update for
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https://github.com/torvalds/linux/commit/397d425dc26da728396e66d392d5dcb8dac30c37
vfs: Test for and handle paths that are unreachable from their mnt_root · torvalds/linux@397d425 · GitHubVendor Advisory
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http://www.ubuntu.com/usn/USN-2792-1
USN-2792-1: Linux kernel vulnerabilities | Ubuntu security notices
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http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00007.html
[security-announce] SUSE-SU-2016:0335-1: important: Security update for
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http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
Oracle Linux Bulletin - October 2015
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http://www.ubuntu.com/usn/USN-2798-1
USN-2798-1: Linux kernel (Vivid HWE) vulnerabilities | Ubuntu security notices
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http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
Oracle Linux Bulletin - January 2016
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http://www.openwall.com/lists/oss-security/2015/04/04/4
oss-security - Re: Linux namespaces: It is possible to escape from bind mounts
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http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00020.html
[security-announce] SUSE-SU-2016:0384-1: important: Security update for
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http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00017.html
[security-announce] SUSE-SU-2016:0380-1: important: Security update for
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http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00018.html
[security-announce] SUSE-SU-2016:0381-1: important: Security update for
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http://rhn.redhat.com/errata/RHSA-2015-2636.html
RHSA-2015:2636 - Security Advisory - Red Hat Customer Portal
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http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00022.html
[security-announce] SUSE-SU-2016:0387-1: important: Security update for
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http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00018.html
[security-announce] SUSE-SU-2015:2292-1: important: Security update for
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http://www.debian.org/security/2015/dsa-3372
Debian -- Security Information -- DSA-3372-1 linux
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https://github.com/torvalds/linux/commit/cde93be45a8a90d8c264c776fab63487b5038a65
dcache: Handle escaped paths in prepend_path · torvalds/linux@cde93be · GitHubVendor Advisory
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http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00034.html
[security-announce] SUSE-SU-2016:0434-1: important: Security update for
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https://bugzilla.redhat.com/show_bug.cgi?id=1209367
1209367 – (CVE-2015-2925) CVE-2015-2925 Kernel: vfs: Do not allow escaping from bind mounts
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http://www.ubuntu.com/usn/USN-2795-1
USN-2795-1: Linux kernel (Trusty HWE) vulnerabilities | Ubuntu security notices
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http://www.ubuntu.com/usn/USN-2799-1
USN-2799-1: Linux kernel vulnerabilities | Ubuntu security notices
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http://permalink.gmane.org/gmane.linux.kernel.containers/29173
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http://rhn.redhat.com/errata/RHSA-2016-0068.html
RHSA-2016:0068 - Security Advisory - Red Hat Customer Portal
Products affected by CVE-2015-2925
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*