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CVE-2004-2660

15
FAUCET Score

CVE-2004-2660 describes a memory leak vulnerability in the Linux kernel versions 2.6.x prior to 2.6.10, specifically within the direct-io.c component. This flaw allows local users to trigger a denial of service by exhausting system memory through specially crafted O_DIRECT write requests. With a CVSS score of 4.9, it is considered a medium-severity vulnerability, requiring local access with low attack complexity, and its primary impact is system availability. There is no evidence of active exploitation, nor are there publicly available exploits in Metasploit, Nuclei, or ExploitDB, and it has received no significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.6.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.0:*:*:*:*:*:*:*
2.6.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.0:*:64-bit_x86:*:*:*:*:*
2.6.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.0:*:itanium_ia64_montecito:*:*:*:*:*
2.6.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.0:test1:*:*:*:*:*:*
2.6.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.0:test10:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.9MEDIUM

AV:L/AC:L/Au:N/C:N/I:N/A:C

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
31.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 56th percentile among its peer group of 3,052 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: kernel-0:2.6.9-42.0.2.EL
View patch

Vendor Advisories (1)

redhatCVE-2004-2660Low

security flaw

Oct 28, 2004

References

linux.bkbits.net / linux-2.6/cset%404182a613oVsK0-8eCWpyYFrUf8rhLA
secunia.com / advisories/21605
secunia.com / advisories/22093
secunia.com / advisories/22174
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10165
support.avaya.com / elmodocs2/security/ASA-2006-203.htm
debian.org / security/2006/dsa-1184
kernel.org / pub/linux/kernel/v2.6/ChangeLog-2.6.10
Patch
redhat.com / support/errata/RHSA-2006-0617.html
securityfocus.com / bid/19665