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CVE
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CVE-2015-2925Date: (C)2015-12-15   (M)2024-02-22


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."

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 6.9
Exploit Score: 3.4
Impact Score: 10.0
 
CVSS V2 Metrics:
Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality: COMPLETE
Integrity: COMPLETE
Availability: COMPLETE
  
Reference:
BID-73926
DSA-3364
DSA-3372
RHSA-2015:2636
RHSA-2016:0068
SUSE-SU-2015:2194
SUSE-SU-2015:2292
SUSE-SU-2016:0335
SUSE-SU-2016:0337
SUSE-SU-2016:0380
SUSE-SU-2016:0381
SUSE-SU-2016:0383
SUSE-SU-2016:0384
SUSE-SU-2016:0386
SUSE-SU-2016:0387
SUSE-SU-2016:0434
USN-2792-1
USN-2794-1
USN-2795-1
USN-2798-1
USN-2799-1
http://permalink.gmane.org/gmane.linux.kernel.containers/29173
http://permalink.gmane.org/gmane.linux.kernel.containers/29177
http://www.openwall.com/lists/oss-security/2015/04/04/4
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=397d425dc26da728396e66d392d5dcb8dac30c37
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cde93be45a8a90d8c264c776fab63487b5038a65
http://pkgs.fedoraproject.org/cgit/kernel.git/commit/?h=f22&id=520b64102de2f184036024b2a53de2b67463bd78
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.2.4
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
https://bugzilla.redhat.com/show_bug.cgi?id=1209367
https://bugzilla.redhat.com/show_bug.cgi?id=1209373
https://github.com/torvalds/linux/commit/397d425dc26da728396e66d392d5dcb8dac30c37
https://github.com/torvalds/linux/commit/cde93be45a8a90d8c264c776fab63487b5038a65

CPE    1
cpe:/o:linux:linux_kernel
CWE    1
CWE-254
OVAL    24
oval:org.secpod.oval:def:25163
oval:org.secpod.oval:def:109610
oval:org.secpod.oval:def:702829
oval:org.secpod.oval:def:702828
...

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