A use-after-free flaw was found in the way the ping_init_sock() function of the Linux kernel handled the group_info reference counter. A local, unprivileged user could use this flaw to crash the system or, potentially, escalate their privileges on the system.
Find out more about CVE-2014-2851 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue does not affect Linux kernel packages as shipped with Red Hat Enterprise Linux 5.
| Base Score | 6.2 |
|---|---|
| Base Metrics | AV:L/AC:H/Au:N/C:C/I:C/A:C |
| Access Vector | Local |
| Access Complexity | High |
| Authentication | None |
| Confidentiality Impact | Complete |
| Integrity Impact | Complete |
| 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 6 (kernel) | RHSA-2014:0981 | 2014-07-29 |
| Red Hat Enterprise Linux 7 (kernel) | RHSA-2014:0786 | 2014-06-24 |
| Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) | RHSA-2014:0557 | 2014-05-27 |
| Red Hat Enterprise Linux Extended Update Support 6.4 (kernel) | RHSA-2014:1101 | 2014-08-27 |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected |
Vulmon