CVE-2010-1643
The MITRE CVE dictionary describes this issue as:
mm/shmem.c in the Linux kernel before 2.6.28-rc3, when strict overcommit is enabled, does not properly handle the export of shmemfs objects by knfsd, which allows attackers to cause a denial of service (NULL pointer dereference and knfsd crash) or possibly have unspecified other impact via unknown vectors.
Find out more about CVE-2010-1643 from the MITRE CVE dictionary dictionary and NIST NVD.
Statement
This issue did not affect the version of Linux kernel as shipped with Red Hat Enterprise Linux 3, 4 and 5 as they did not include nfs-export support for tmpfs. A future kernel update in Red Hat Enterprise MRG will address this issue.
CVSS v2 metrics
| 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 5 Server (kernel-rt) | RHSA-2010:0631 | 2010-08-17 |
CVE description copyright © 2017, The MITRE Corporation