The do_tkill function in kernel/signal.c in the Linux kernel before 3.8.9 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel memory via a crafted application that makes a (1) tkill or (2) tgkill system call.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2013-2141 from the MITRE CVE dictionary dictionary and NIST NVD.
| Base Score | 2.1 |
|---|---|
| Base Metrics | AV:L/AC:L/Au:N/C:P/I:N/A:N |
| Access Vector | Local |
| Access Complexity | Low |
| Authentication | None |
| Confidentiality Impact | Partial |
| Integrity Impact | None |
| Availability Impact | None |
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 MRG Grid for RHEL 6 Server v.2 (kernel-rt) | RHSA-2013:1264 | 2013-09-16 |
| Red Hat Enterprise Linux 6 (kernel) | RHSA-2013:1801 | 2013-12-12 |
Vulmon