A flaw was found in the way the Linux kernel's SCTP implementation validated INIT chunks when performing Address Configuration Change (ASCONF). A remote attacker could use this flaw to crash the system by sending a specially crafted SCTP packet to trigger a NULL pointer dereference on the system.
Find out more about CVE-2014-7841 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.
This issue does affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 6, 7 and Red Hat Enterprise MRG 2. Future kernel updates for the respective releases may 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 7 (kernel) | RHSA-2015:0102 | 2015-01-28 |
| Red Hat Enterprise Linux Extended Update Support 6.4 (kernel) | RHSA-2015:0285 | 2015-03-03 |
| Red Hat Enterprise Linux 6 (kernel) | RHSA-2015:0087 | 2015-01-27 |
| Red Hat Enterprise Linux Extended Update Support 6.5 (kernel) | RHSA-2015:0284 | 2015-03-03 |
| Red Hat Enterprise Linux Advanced Update Support 6.2 (kernel) | RHSA-2015:0695 | 2015-03-17 |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise MRG 2 | realtime-kernel | Affected |
| Red Hat Enterprise Linux 5 | kernel | Not affected |
Vulmon