The udp_v6_push_pending_frames function in net/ipv6/udp.c in the IPv6 implementation in the Linux kernel through 3.10.3 makes an incorrect function call for pending data, which allows local users to cause a denial of service (BUG and system crash) via a crafted application that uses the UDP_CORK option in a setsockopt system call.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2013-4162 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG 2. Future kernel updates for Red Hat Enterprise Linux 6 may address this issue.
| Base Score | 4.9 |
|---|---|
| Base Metrics | AV:L/AC:L/Au:N/C:N/I:N/A:C |
| Access Vector | Local |
| Access Complexity | Low |
| 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 5 (kernel) | RHSA-2013:1292 | 2013-09-26 |
| Red Hat Enterprise Linux 6 (kernel) | RHSA-2013:1436 | 2013-10-16 |
| Red Hat Enterprise Linux OpenStack Platform 3.0 (kernel) | RHSA-2013:1520 | 2013-11-14 |
| Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) | RHSA-2013:1264 | 2013-09-16 |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 7 | kernel | Not affected |
Vulmon