Multiple race conditions in the (1) virDomainBlockStats, (2) virDomainGetBlockInf, (3) qemuDomainBlockJobImpl, and (4) virDomainGetBlockIoTune functions in libvirt before 1.2.1 do not properly verify that the disk is attached, which allows remote read-only attackers to cause a denial of service (libvirtd crash) via the virDomainDetachDeviceFlags command.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2013-6458 from the MITRE CVE dictionary dictionary and NIST NVD.
Red Hat Enterprise Linux 5 is now in Production 3 phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
| Base Score | 6.8 |
|---|---|
| Base Metrics | AV:A/AC:H/Au:N/C:C/I:C/A:C |
| Access Vector | Adjacent Network |
| 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 (libvirt) | RHSA-2014:0103 | 2014-01-28 |
| Platform | Package | State |
|---|---|---|
| Red Hat Gluster Storage 2.1 | libvirt | Will not fix |
| Red Hat Gluster Storage 2.0 | libvirt | Will not fix |
| Red Hat Enterprise Linux 7 | libvirt | Not affected |
| Red Hat Enterprise Linux 5 | libvirt | Will not fix |
Vulmon