An integer underflow flaw was found in the way the Linux kernel's Stream Control Transmission Protocol (SCTP) implementation processed certain COOKIE_ECHO packets. By sending a specially crafted SCTP packet, a remote attacker could use this flaw to prevent legitimate connections to a particular SCTP server socket to be made.
Find out more about CVE-2014-4667 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5.
| Base Score | 5 |
|---|---|
| Base Metrics | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| Access Vector | Network |
| Access Complexity | Low |
| Authentication | None |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 7 (kernel) | RHSA-2014:1023 | 2014-08-06 |
| Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) | RHSA-2014:0913 | 2014-07-22 |
| Red Hat Enterprise Linux 6 (kernel) | RHSA-2014:1167 | 2014-09-09 |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected |
Vulmon