CVE-2009-4021

Published Nov 25, 2009

Last updated 2 years ago

Overview

Description
The fuse_direct_io function in fs/fuse/file.c in the fuse subsystem in the Linux kernel before 2.6.32-rc7 might allow attackers to cause a denial of service (invalid pointer dereference and OOPS) via vectors possibly related to a memory-consumption attack.
Source
secalert@redhat.com
NVD status
Modified

Social media

Hype score
Not currently trending

Risk scores

CVSS 2.0

Type
Primary
Base score
4.9
Impact score
6.9
Exploitability score
3.9
Vector string
AV:L/AC:L/Au:N/C:N/I:N/A:C

Weaknesses

nvd@nist.gov
CWE-399

Vendor comments

  • Red HatRed 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.

Configurations