CVE-2012-6657
It was found that the Linux kernel's networking implementation did not correctly handle the setting of the keepalive socket option on raw sockets. A local user able to create a raw socket could use this flaw to crash the system.
Find out more about CVE-2012-6657 from the MITRE CVE dictionary dictionary and NIST NVD.
Statement
This issue does not affect the versions of Linux kernel as shipped with
Red Hat Enterprise Linux 7 and Red Hat Enterprise MRG 2.
This issue affects the version of the kernel package as shipped with
Red Hat Enterprise Linux 5 and 6. Future kernel updates for Red Hat Enterprise
Linux 5 and 6 may address this issue.
CVSS v2 metrics
| Base Score | 4.4 |
|---|---|
| Base Metrics | AV:L/AC:M/Au:S/C:N/I:N/A:C |
| Access Vector | Local |
| Access Complexity | Medium |
| Authentication | Single |
| Confidentiality Impact | None |
| Integrity Impact | None |
| 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 6 (kernel) | RHSA-2014:1997 | 2014-12-16 |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise MRG 2 | kernel | Not affected |
| Red Hat Enterprise Linux 7 | kernel | Not affected |
| Red Hat Enterprise Linux 5 | kernel | Will not fix |