CVE-2011-1080
The MITRE CVE dictionary describes this issue as:
The do_replace function in net/bridge/netfilter/ebtables.c in the Linux kernel before 2.6.39 does not ensure that a certain name field ends with a '\0' character, which allows local users to obtain potentially sensitive information from kernel stack memory by leveraging the CAP_NET_ADMIN capability to replace a table, and then reading a modprobe command line.
Find out more about CVE-2011-1080 from the MITRE CVE dictionary dictionary and NIST NVD.
CVSS v2 metrics
| Base Score | 1.7 |
|---|---|
| Base Metrics | AV:L/AC:L/Au:S/C:P/I:N/A:N |
| Access Vector | Local |
| Access Complexity | Low |
| Authentication | Single |
| Confidentiality Impact | Partial |
| Integrity Impact | None |
| Availability Impact | None |
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 5 (kernel) | RHSA-2011:0833 | 2011-05-31 |
| Red Hat Enterprise Linux 6 (kernel) | RHSA-2011:0498 | 2011-05-10 |
| MRG Grid for RHEL 5 Server (kernel-rt) | RHSA-2011:0500 | 2011-05-10 |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise MRG 1 | realtime-kernel | Will not fix |
| Red Hat Enterprise Linux 4 | kernel | Will not fix |
Acknowledgements
Red Hat would like to thank Vasiliy Kulikov of Openwall for reporting this issue.CVE description copyright © 2017, The MITRE Corporation