CVE-2015-2925

Impact:
Important
Public Date:
2015-04-03
CWE:
CWE-22
Bugzilla:
1209367: CVE-2015-2925 Kernel: vfs: Do not allow escaping from bind mounts
A flaw was found in the way the Linux kernel's file system implementation handled rename operations in which the source was inside and the destination was outside of a bind mount. A privileged user inside a container could use this flaw to escape the bind mount and, potentially, escalate their privileges on the system.

Find out more about CVE-2015-2925 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue does not affect the version of the kernel package as shipped with Red Hat Enterprise Linux 5.

This issue affects the versions of Linux kernel as shipped with Red Hat Enterprise Linux 6 and 7 and Red Hat Enterprise MRG 2. Future kernel updates for the respective releases may address this issue.

CVSS v2 metrics

Base Score 6
Base Metrics AV:L/AC:H/Au:S/C:C/I:C/A:C
Access Vector Local
Access Complexity High
Authentication Single
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2016:0068 2016-01-26
Red Hat Enterprise Linux 6 (kernel) RHSA-2015:2636 2015-12-15
Red Hat Enterprise Linux Extended Update Support 7.1 (kernel) RHSA-2015:2587 2015-12-09
Red Hat Enterprise Linux for Real Time for NFV (v. 7) (kernel-rt) RHSA-2015:2411 2015-11-19
Red Hat Enterprise Linux 7 (kernel) RHSA-2015:2152 2015-11-19

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Affected
Red Hat Enterprise Linux 5 kernel Not affected

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