CVE-2015-3331
A buffer overflow flaw was found in the way the Linux kernel's Intel AES-NI instructions optimized version of the RFC4106 GCM mode decryption functionality handled fragmented packets. A remote attacker could use this flaw to crash, or potentially escalate their privileges on, a system over a connection with an active AES-GCM mode IPSec security association.
Find out more about CVE-2015-3331 from the MITRE CVE dictionary dictionary and NIST NVD.
Statement
This issue does not affect the version of the kernel package as shipped with
Red Hat Enterprise Linux 5.
This issue affects the versions of Linux kernel as shipped with
Red Hat Enterprise Linux 6, 7 and Red Hat Enterprise MRG 2. Future kernel updates
for Red Hat Enterprise Linux 6 may address this issue.
CVSS v2 metrics
| Base Score | 7.1 |
|---|---|
| Base Metrics | AV:N/AC:H/Au:S/C:C/I:C/A:C |
| Access Vector | Network |
| Access Complexity | High |
| Authentication | Single |
| Confidentiality Impact | Complete |
| Integrity Impact | Complete |
| Availability Impact | Complete |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Red Hat Security Errata
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux Extended Update Support 6.5 (kernel) | RHSA-2015:1199 | 2015-06-30 |
| Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) | RHSA-2015:0989 | 2015-05-12 |
| Red Hat Enterprise Linux 6 (kernel) | RHSA-2015:1081 | 2015-06-09 |
| Red Hat Enterprise Linux for Real Time for NFV (v. 7) (kernel-rt) | RHSA-2015:0981 | 2015-05-12 |
| Red Hat Enterprise Linux 7 (kernel) | RHSA-2015:0987 | 2015-05-12 |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise MRG 2 | realtime-kernel | Affected |
| Red Hat Enterprise Linux 7 | kernel-biscayne | Not affected |
| Red Hat Enterprise Linux 5 | kernel | Not affected |