CVE-2013-4312
kernel: File descriptors passed over unix sockets are not properly accounted
Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · January 19, 2016
Updated · June 28, 2026
Description
It was found that the Linux kernel did not properly account file descriptors passed over the unix socket against the process limit. A local user could use this flaw to exhaust all available memory on the system.
Statement
This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 6, 7, and MRG-2. Future Linux kernel updates for the respective releases might address this issue.
This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C
CWE-400 · Uncontrolled Resource Consumption