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CVE-2005-3784

16
FAUCET Score

CVE-2005-3784 describes a denial-of-service and privilege escalation vulnerability in Linux kernel versions 2.6 prior to 2.6.15. The flaw arises from an improper auto-reaping mechanism for child processes, specifically when ptrace is attached, leading to a dangling ptrace reference. This local vulnerability has a CVSS score of 4.9, indicating a low attack complexity and requiring local access, but can result in a system crash and root privilege acquisition. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or 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:*:*:*:*:*:*:*
2.6.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.1:*:*:*:*:*:*:*
2.6.10CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.10:*:*:*:*:*:*:*
2.6.11CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.11:*:*:*:*:*:*:*
2.6.11.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.11.1:*:*:*:*:*:*:*

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
0.45%
Probability of exploitation in next 30 days
EPSS Percentile
36.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0045 is in the 68th percentile among its peer group of 3,052 CVEs.

Social Chatter

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-0:2.6.9-22.0.2.EL
View patch

Vendor Advisories (1)

redhatCVE-2005-3784Important

security flaw

Nov 10, 2005

References

bugzilla.redhat.com / bugzilla/show_bug.cgi
secunia.com / advisories/17786
Vendor Advisory
secunia.com / advisories/17787
secunia.com / advisories/17917
Vendor Advisory
secunia.com / advisories/17918
Vendor Advisory
secunia.com / advisories/18203
Vendor Advisory
secunia.com / advisories/18510
Vendor Advisory
secunia.com / advisories/19374
Vendor Advisory
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9080
usn.ubuntu.com / 231-1
debian.org / security/2006/dsa-1017
kernel.org / git
mandriva.com / security/advisories
redhat.com / support/errata/RHSA-2006-0101.html
securityfocus.com / advisories/9806
securityfocus.com / archive/1/419522/100/0/threaded
securityfocus.com / archive/1/427981/100/0/threaded
securityfocus.com / archive/1/439623/100/100/threaded
securityfocus.com / bid/15625
trustix.org / errata/2005/0070
vupen.com / english/advisories/2005/2649
Vendor Advisory