A flaw was found in the way the Linux kernel's Stream Control Transmission Protocol (SCTP) implementation handled the association's output queue. A remote attacker could send specially crafted packets that would cause the system to use an excessive amount of memory, leading to a denial of service.
Find out more about CVE-2014-3688 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue does affect Red Hat Enterprise Linux 6, 7 and Red Hat Enterprise MRG. Future Linux kernel updates for the respective releases will address this issue.
| Base Score | 7.1 |
|---|---|
| Base Metrics | AV:N/AC:M/Au:N/C:N/I:N/A:C |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| 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 Enterprise Linux Advanced Update Support 6.2 (kernel) | RHSA-2015:0115 | 2015-02-03 |
| Red Hat Enterprise Linux Extended Update Support 6.4 (kernel) | RHSA-2015:0043 | 2015-01-13 |
| Red Hat Enterprise Linux 6 (kernel) | RHSA-2014:1997 | 2014-12-16 |
| Red Hat Enterprise Linux 7 (kernel) | RHSA-2014:1971 | 2014-12-09 |
| Red Hat Enterprise Linux Extended Update Support 6.5 (kernel) | RHSA-2015:0062 | 2015-01-20 |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise MRG 2 | realtime-kernel | Affected |
| Red Hat Enterprise Linux 5 | kernel | Not affected |
Vulmon