A race condition flaw was found in the way the Linux kernel's IPC subsystem initialized certain fields in an IPC object structure that were later used for permission checking before inserting the object into a globally visible list. A local, unprivileged user could potentially use this flaw to elevate their privileges on the system.
Find out more about CVE-2015-7613 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue does not affect the Linux kernels as shipped with Red Hat Enterprise Linux 5.
This issue affects the Linux kernels as shipped with Red Hat Enterprise Linux 6, 7 and Red Hat MRG 2 kernels. Future kernel updates for the respective releases may address this issue.
| Base Score | 6.2 |
|---|---|
| Base Metrics | AV:L/AC:H/Au:N/C:C/I:C/A:C |
| Access Vector | Local |
| Access Complexity | High |
| Authentication | None |
| Confidentiality Impact | Complete |
| Integrity Impact | Complete |
| Availability Impact | Complete |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Errata | Release Date |
|---|---|---|
| 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 |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise MRG 2 | kernel-rt | Affected |
| Red Hat Enterprise Linux 5 | kernel | Not affected |
Vulmon