CVE-2015-2925
Description
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.
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.
Common Vulnerability Scoring System (CVSS) Score Details
Info alert:Important note
CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).
CVSS v2 Score Breakdown
| Red Hat | NVD | cve.org | |
|---|---|---|---|
| Base Score | 6 | 6.9 | N/A |
| Attack Vector | Local | Local | N/A |
| Access Complexity | High | Medium | N/A |
| Authentication | Single | None | N/A |
| Confidentiality Impact | Complete | Complete | N/A |
| Integrity Impact | Complete | Complete | N/A |
| Availability Impact | Complete | Complete | N/A |
Vector
Red Hat: AV:L/AC:H/Au:S/C:C/I:C/A:C
NVD: AV:L/AC:M/Au:N/C:C/I:C/A:C
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