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.
The MITRE CVE dictionary describes this issue as:
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 https://rhn.redhat.com/errata/RHSA-2013-0829.html
| 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).
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) | RHSA-2013:0829 | 2013-05-20 |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 6 | kernel | Not affected |
| Red Hat Enterprise Linux 5 | kernel | Not affected |
Vulmon