CVE-2009-4021
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2009-4021 from the MITRE CVE dictionary dictionary and NIST NVD.
Statement
Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/CVE-2009-4021
The Linux kernel packages as shipped with Red Hat Enterprise Linux 3 and 4 do not include support for FUSE, and therefore are not affected by this issue.
It was addressed in Red Hat Enterprise Linux 5 via https://rhn.redhat.com/errata/RHSA-2010-0046.html
A future kernel update for Red Hat Enterprise MRG will address this flaw.
CVSS v2 metrics
| Base Score | 4.6 |
|---|---|
| Base Metrics | AV:L/AC:L/Au:S/C:N/I:N/A:C |
| Access Vector | Local |
| Access Complexity | Low |
| Authentication | Single |
| Confidentiality Impact | None |
| Integrity Impact | None |
| 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-2010:0041 | 2010-01-21 |
| Red Hat Enterprise Linux 5 (kernel) | RHSA-2010:0046 | 2010-01-19 |
CVE description copyright © 2017, The MITRE Corporation
