CVE-2015-7872
Description
It was found that the Linux kernel's keys subsystem did not correctly garbage collect uninstantiated keyrings. A local attacker could use this flaw to crash the system or, potentially, escalate their privileges on the system.
Statement
This issue affects the Linux kernels as shipped with Red Hat Enterprise Linux 6 , 7 and Red Hat MRG 2. Future updates for the respective releases may address this flaw.
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 | 7.2 | 2.1 | N/A |
| Attack Vector | Local | Local | N/A |
| Access Complexity | Low | Low | N/A |
| Authentication | None | None | N/A |
| Confidentiality Impact | Complete | None | N/A |
| Integrity Impact | Complete | None | N/A |
| Availability Impact | Complete | Partial | N/A |
Vector
Red Hat: AV:L/AC:L/Au:N/C:C/I:C/A:C
NVD: AV:L/AC:L/Au:N/C:N/I:N/A:P
Understanding the Weakness (CWE)
Integrity,Other
Technical Impact: Unexpected State; Quality Degradation; Varies by Context
The uninitialized data may be invalid, causing logic errors within the program. In some cases, this could result in a security problem.
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