Public Date:
955629: CVE-2013-1979 kernel: net: incorrect SCM_CREDENTIALS passing

The MITRE CVE dictionary describes this issue as:

The scm_set_cred function in include/net/scm.h in the Linux kernel before 3.8.11 uses incorrect uid and gid values during credentials passing, which allows local users to gain privileges via a crafted application.

Find out more about CVE-2013-1979 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5 and 6. This issue was addressed in Red Hat Enterprise MRG 2 via RHSA-2013:0829

CVSS v2 metrics

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

Base Score 6.9
Base Metrics AV:L/AC:M/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity Medium
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).

Red Hat Security Errata

Platform Errata Release Date
MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2013:0829 2013-05-20

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 6 kernel Not affected
Red Hat Enterprise Linux 5 kernel Not affected


Red Hat would like to thank Andy Lutomirski for reporting this issue.