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CVE-2014-7970

MEDIUM
5.5
CVSS Score
Published: October 13, 2014 at 10:00 AM UTC
Updated: June 17, 2026 at 12:16 AM UTC
3 products affected across 3 vendorsLinux KernelUbuntu LinuxSUSE Linux Enterprise Server

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.7%

Description

The pivot_root implementation in fs/namespace.c in the Linux kernel through 3.17 does not properly interact with certain locations of a chroot directory, which allows local users to cause a denial of service (mount-tree loop) via . (dot) values in both arguments to the pivot_root system call.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (16)

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
Third Party Advisoryx_refsource_SECUNIABroken Link
Source: [email protected]
http://secunia.com/advisories/60174
Third Party Advisoryx_refsource_SECUNIABroken Link
Source: [email protected]
http://secunia.com/advisories/61142
Mailing Listx_refsource_MLISTPatchThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2014/10/08/21
VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/70319
VDB Entryx_refsource_SECTRACKThird Party Advisory
Source: [email protected]
http://www.securitytracker.com/id/1030991
Mailing Listx_refsource_MLISTExploitPatchThird Party Advisory
Source: [email protected]
http://www.spinics.net/lists/linux-fsdevel/msg79153.html
Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
http://www.ubuntu.com/usn/USN-2419-1

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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