CVE-2015-2925 json
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, whic…
published 2015-11-16 10 y ago modified 2026-06-17 4 mo ago also EUVD-2015-3010
- cvss
- 6.9
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 68%
- public exploits
- 0
- none known
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."
Patch / fix
- linux linux_kernel 3.2.72, 3.4.110, 3.10.91, 3.12.49, 3.14.55, 3.16.35, 3.18.23, 4.1.11, 4.2.4
- linux Debian 14, Debian 13, Debian 12 4.2.1-1
debian advisories DEBIAN-CVE-2015-2925
- linux Ubuntu 14.04 LTS 3.13.0-67.110
- linux-lts-vivid Ubuntu 14.04 LTS 3.19.0-32.37~14.04.1
- linux-lts-utopic Ubuntu 14.04 LTS 3.16.0-52.71~14.04.1
ubuntu advisories UBUNTU-CVE-2015-2925
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- kernel RHEL 6 2.6.32-573.12.1.el6
- perf RHEL 6 2.6.32-573.12.1.el6
- python-perf RHEL 6 2.6.32-573.12.1.el6
- kernel-kdump RHEL 6 2.6.32-573.12.1.el6
- kernel-firmware RHEL 6 2.6.32-573.12.1.el6
- kernel-bootwrapper RHEL 6 2.6.32-573.12.1.el6
- kernel-abi-whitelists RHEL 6 2.6.32-573.12.1.el6
- kernel-debuginfo-common-i686 RHEL 6 2.6.32-573.12.1.el6
red hat advisories RHSA-2015:2636RHSA-2015:2587RHSA-2015:2152RHSA-2016:0068RHSA-2015:2411
- kernel-ec2 SLE Module for Public Cloud 12 3.12.51-60.20.2
- kernel-xen SLES for SAP 12 SP1, SLES 12 SP1, SLED 12 SP1 3.12.51-60.20.2
- kernel-syms SLES for SAP 12 SP1, SLES 12 SP1, SLED 12 SP1 3.12.51-60.20.2
- kernel-source SLES for SAP 12 SP1, SLES 12 SP1, SLED 12 SP1 3.12.51-60.20.2
- kernel-default SLES for SAP 12 SP1, SLES 12 SP1, SLED 12 SP1 +1 more 3.12.51-60.20.2
- kernel-obs-build SLE Software Development Kit 12 SP1 3.12.51-60.20.1
- kernel-ec2 SLE Module for Public Cloud 12 3.12.51-52.31.1
- kernel-xen SLES for SAP 12, SLES 12, SLED 12 3.12.51-52.31.1
suse advisories SUSE-SU-2016:0434-1SUSE-SU-2016:0384-1SUSE-SU-2016:0387-1SUSE-SU-2016:0386-1SUSE-SU-2016:0380-1SUSE-SU-2016:0381-1
- pkgs.fedoraproject.org/cgit/kernel.git/commit/?h=f22&id=520b64102de2f184036024b2a… commit
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cde93b… commit
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=397d42… commit
- github.com/torvalds/linux@cde93be commit
- github.com/torvalds/linux@397d425 commit
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2015-2925 updated cvss 6.0
Kernel: vfs: Do not allow escaping from bind mounts
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Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-327.el7, kernel 3.10.0-327.el7, python-perf 3.10.0-327.el7, kernel-tools 3.10.0-327.el7, kernel-tools-libs 3.10.0-327.el7, kernel-abi-whitelists 3.10.0-327.el7, +1 more Red Hat Enterprise Linux Client Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-327.el7 Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-327.el7, kernel 3.10.0-327.el7, python-perf 3.10.0-327.el7, kernel-tools 3.10.0-327.el7, kernel-tools-libs 3.10.0-327.el7, kernel-abi-whitelists 3.10.0-327.el7, +1 morefixed: vendor fix RHSA-2015:2152
-
Red Hat Enterprise Linux ComputeNode EUS (v. 7.1) perf 3.10.0-229.24.2.el7, kernel 3.10.0-229.24.2.el7, kernel-tools 3.10.0-229.24.2.el7, kernel-tools-libs 3.10.0-229.24.2.el7, kernel-abi-whitelists 3.10.0-229.24.2.el7, kernel-debuginfo-common-x86_64 3.10.0-229.24.2.el7fixed: vendor fix RHSA-2015:2587
-
Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-327.el7fixed: vendor fix RHSA-2015:2152
-
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.1) python-perf 3.10.0-229.24.2.el7, kernel-debuginfo-common-x86_64 3.10.0-229.24.2.el7fixed: vendor fix RHSA-2015:2587
-
Red Hat Enterprise Linux Desktop (v. 6) perf 2.6.32-573.12.1.el6, kernel 2.6.32-573.12.1.el6, kernel-firmware 2.6.32-573.12.1.el6, kernel-abi-whitelists 2.6.32-573.12.1.el6, kernel-debuginfo-common-i686 2.6.32-573.12.1.el6, kernel-debuginfo-common-x86_64 2.6.32-573.12.1.el6 Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf 2.6.32-573.12.1.el6, kernel-debuginfo-common-i686 2.6.32-573.12.1.el6, kernel-debuginfo-common-x86_64 2.6.32-573.12.1.el6fixed: vendor fix RHSA-2015:2636
-
Red Hat Enterprise Linux for Real Time (v. 7) kernel-rt 3.10.0-327.rt56.204.el7, kernel-rt-trace 3.10.0-327.rt56.204.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-327.rt56.204.el7fixed: vendor fix RHSA-2015:2411
-
Red Hat Enterprise Linux HPC Node (v. 6) perf 2.6.32-573.12.1.el6, kernel 2.6.32-573.12.1.el6, kernel-firmware 2.6.32-573.12.1.el6, kernel-abi-whitelists 2.6.32-573.12.1.el6, kernel-debuginfo-common-i686 2.6.32-573.12.1.el6, kernel-debuginfo-common-x86_64 2.6.32-573.12.1.el6 Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf 2.6.32-573.12.1.el6, kernel-debuginfo-common-x86_64 2.6.32-573.12.1.el6 Red Hat Enterprise Linux Server (v. 6) perf 2.6.32-573.12.1.el6, kernel 2.6.32-573.12.1.el6, kernel-kdump 2.6.32-573.12.1.el6, kernel-firmware 2.6.32-573.12.1.el6, kernel-bootwrapper 2.6.32-573.12.1.el6, kernel-abi-whitelists 2.6.32-573.12.1.el6, +4 morefixed: vendor fix RHSA-2015:2636
-
Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-327.el7, kernel 3.10.0-327.el7, python-perf 3.10.0-327.el7, kernel-kdump 3.10.0-327.el7, kernel-tools 3.10.0-327.el7, kernel-tools-libs 3.10.0-327.el7, +6 morefixed: vendor fix RHSA-2015:2152
show 10 moreshow fewer
-
Red Hat Enterprise Linux Server EUS (v. 7.1) perf 3.10.0-229.24.2.el7, kernel 3.10.0-229.24.2.el7, perf 3.10.0-229.24.2.ael7b, kernel 3.10.0-229.24.2.ael7b, kernel-kdump 3.10.0-229.24.2.el7, kernel-tools 3.10.0-229.24.2.el7, +11 morefixed: vendor fix RHSA-2015:2587
-
Red Hat Enterprise Linux Server Optional (v. 6) python-perf 2.6.32-573.12.1.el6, kernel-debuginfo-common-i686 2.6.32-573.12.1.el6, kernel-debuginfo-common-ppc64 2.6.32-573.12.1.el6, kernel-debuginfo-common-s390x 2.6.32-573.12.1.el6, kernel-debuginfo-common-x86_64 2.6.32-573.12.1.el6fixed: vendor fix RHSA-2015:2636
-
Red Hat Enterprise Linux Server Optional (v. 7) kernel-debuginfo-common-ppc64 3.10.0-327.el7, kernel-debuginfo-common-x86_64 3.10.0-327.el7, kernel-debuginfo-common-ppc64le 3.10.0-327.el7fixed: vendor fix RHSA-2015:2152
-
Red Hat Enterprise Linux Server Optional EUS (v. 7.1) python-perf 3.10.0-229.24.2.el7, python-perf 3.10.0-229.24.2.ael7b, kernel-debuginfo-common-ppc64 3.10.0-229.24.2.el7, kernel-debuginfo-common-s390x 3.10.0-229.24.2.el7, kernel-debuginfo-common-x86_64 3.10.0-229.24.2.el7, kernel-debuginfo-common-ppc64le 3.10.0-229.24.2.ael7bfixed: vendor fix RHSA-2015:2587
-
Red Hat Enterprise Linux Workstation (v. 6) perf 2.6.32-573.12.1.el6, kernel 2.6.32-573.12.1.el6, kernel-firmware 2.6.32-573.12.1.el6, kernel-abi-whitelists 2.6.32-573.12.1.el6, kernel-debuginfo-common-i686 2.6.32-573.12.1.el6, kernel-debuginfo-common-x86_64 2.6.32-573.12.1.el6fixed: vendor fix RHSA-2015:2636
-
Red Hat Enterprise Linux Workstation (v. 7) perf 3.10.0-327.el7, kernel 3.10.0-327.el7, python-perf 3.10.0-327.el7, kernel-tools 3.10.0-327.el7, kernel-tools-libs 3.10.0-327.el7, kernel-abi-whitelists 3.10.0-327.el7, +1 morefixed: vendor fix RHSA-2015:2152
-
Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf 2.6.32-573.12.1.el6, kernel-debuginfo-common-i686 2.6.32-573.12.1.el6, kernel-debuginfo-common-x86_64 2.6.32-573.12.1.el6fixed: vendor fix RHSA-2015:2636
-
Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-327.el7fixed: vendor fix RHSA-2015:2152
-
Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt 3.10.0-327.rt56.170.el6rt, kernel-rt-trace 3.10.0-327.rt56.170.el6rt, kernel-rt-vanilla 3.10.0-327.rt56.170.el6rt, kernel-rt-firmware 3.10.0-327.rt56.170.el6rt, kernel-rt-debuginfo-common-x86_64 3.10.0-327.rt56.170.el6rtfixed: vendor fix RHSA-2016:0068
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Red Hat Enterprise Linux 5 kernelnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
1.20% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 6.9 | AV:L/AC:M/Au:N/C:C/I:C/A:C |
Classification
- Technology feeds
References
-
pkgs.fedoraproject.org
/cgit/kernel.git/commit/?h=f22&id=520b64102de2f184036024b2a53de2b67463bd78
third-party-advisory
-
git.kernel.org
/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cde93be45a8a90d8c264c776fab63487b5038a65
third-party-advisory
-
git.kernel.org
/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=397d425dc26da728396e66d392d5dcb8dac30c37
third-party-advisory
-
github.com
/torvalds/linux/commit/cde93be45a8a90d8c264c776fab63487b5038a65
third-party-advisory
-
github.com
/torvalds/linux/commit/397d425dc26da728396e66d392d5dcb8dac30c37
third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2015-12/msg00018.html
vendor-advisory, mailing-list, third-party-advisory
-
rhn.redhat.com
/errata/RHSA-2015-2636.html
vendor-advisory, third-party-advisory
-
debian.org
/security/2015/dsa-3372
vendor-advisory, third-party-advisory
-
rhn.redhat.com
/errata/RHSA-2016-0068.html
vendor-advisory, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2016-02/msg00009.html
vendor-advisory, mailing-list, third-party-advisory
-
ubuntu.com
/usn/USN-2792-1
vendor-advisory, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2016-02/msg00034.html
vendor-advisory, mailing-list, third-party-advisory
-
debian.org
/security/2015/dsa-3364
vendor-advisory, third-party-advisory
-
ubuntu.com
/usn/USN-2794-1
vendor-advisory, third-party-advisory
-
ubuntu.com
/usn/USN-2799-1
vendor-advisory, third-party-advisory
-
ubuntu.com
/usn/USN-2795-1
vendor-advisory, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2015-12/msg00005.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2016-02/msg00017.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2016-02/msg00007.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2016-02/msg00019.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2016-02/msg00021.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2016-02/msg00020.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2016-02/msg00022.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2016-02/msg00018.html
vendor-advisory, mailing-list, third-party-advisory
-
ubuntu.com
/usn/USN-2798-1
vendor-advisory, third-party-advisory
-
kernel.org
/pub/linux/kernel/v4.x/ChangeLog-4.2.4
vendor-advisory
-
permalink.gmane.org
/gmane.linux.kernel.containers/29173
mailing-list, broken-link
-
securityfocus.com
/bid/73926
vdb-entry, third-party-advisory
-
oracle.com
/technetwork/topics/security/linuxbulletinjan2016-2867209.html
third-party-advisory
-
oracle.com
/technetwork/topics/security/linuxbulletinoct2015-2719645.html
third-party-advisory
-
permalink.gmane.org
/gmane.linux.kernel.containers/29177
mailing-list, broken-link
-
openwall.com
/lists/oss-security/2015/04/04/4
mailing-list, third-party-advisory
-
bugzilla.redhat.com
/show_bug.cgi?id=1209367
issue-tracking, third-party-advisory
-
bugzilla.redhat.com
/show_bug.cgi?id=1209373
issue-tracking, third-party-advisory
Sources
- CVE List CVE-2015-2925
- NVD CVE-2015-2925
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.