The security_context_to_sid_core function in security/selinux/ss/services.c in the Linux kernel before 3.13.4 allows local users to cause a denial of service (system crash) by leveraging the CAP_MAC_ADMIN capability to set a zero-length security context.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2014-1874 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue does not affect the version of the kernel package as shipped with Red Hat Enterprise Linux 5.
| Base Score | 4.4 |
|---|---|
| Base Metrics | AV:L/AC:M/Au:S/C:N/I:N/A:C |
| Access Vector | Local |
| Access Complexity | Medium |
| Authentication | Single |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | Complete |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) | RHSA-2014:0439 | 2014-04-28 |
| Red Hat Enterprise Linux 6 (kernel) | RHSA-2014:0771 | 2014-06-19 |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 7 | kernel | Not affected |
| Red Hat Enterprise Linux 5 | kernel | Not affected |
Vulmon