VulnerabilityModified
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…
MEDIUM 6.9EPSS 1.25%
Does this matter?
Lower severity and a low EPSS score (1.25%). Track it; it rarely justifies an emergency change on its own.
Description
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 2.0
- 6.9 MEDIUMAV:L/AC:M/Au:N/C:C/I:C/A:C
- EPSS
- 1.25% probability · 68th percentile
- CISA KEV
- Not listed
- Affected
- linux/linux kernel · debian/debian linux · canonical/ubuntu linux
- Source
- cve@mitre.org
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=397d425dc26da728396e66d392d5dcb8dac30c37Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cde93be45a8a90d8c264c776fab63487b5038a65Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00018.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00007.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00009.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00017.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00018.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00019.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00020.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00021.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00022.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00034.htmlMailing List, Third Party Advisory
- http://permalink.gmane.org/gmane.linux.kernel.containers/29173Broken Link
- http://permalink.gmane.org/gmane.linux.kernel.containers/29177Broken Link
- http://pkgs.fedoraproject.org/cgit/kernel.git/commit/?h=f22&id=520b64102de2f184036024b2a53de2b67463bd78Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-2636.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-0068.htmlThird Party Advisory
- http://www.debian.org/security/2015/dsa-3364Third Party Advisory
- http://www.debian.org/security/2015/dsa-3372Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.2.4Vendor Advisory
- http://www.openwall.com/lists/oss-security/2015/04/04/4Mailing List, Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.htmlThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlThird Party Advisory
- http://www.securityfocus.com/bid/73926Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2792-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-2794-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-2795-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-2798-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-2799-1Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.