Public Date:
767299: CVE-2011-4609 glibc: svc_run() produces high cpu usage when accept() fails with EMFILE error

The MITRE CVE dictionary describes this issue as:

The svc_run function in the RPC implementation in glibc before 2.15 allows remote attackers to cause a denial of service (CPU consumption) via a large number of RPC connections.

Find out more about CVE-2011-4609 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 3.3
Base Metrics AV:A/AC:L/Au:N/C:N/I:N/A:P
Access Vector Adjacent Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

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 version 5 (glibc) RHSA-2012:0126 2012-02-13
Red Hat Enterprise Linux version 6 (glibc) RHSA-2012:0058 2012-01-24
Red Hat Enterprise Linux version 4 (glibc) RHSA-2012:0125 2012-02-13