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CVE-2010-3066

17
FAUCET Score

CVE-2010-3066 describes a denial-of-service vulnerability in the Linux kernel, specifically affecting versions prior to 2.6.23. A local attacker can trigger a NULL pointer dereference by crafting a malicious io_submit system call utilizing the IOCB_FLAG_RESFD flag. This vulnerability has a CVSS score of 4.9, indicating a low severity with local access, low attack complexity, and no authentication required, leading to a complete denial of service. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.6.22.19CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
2.6CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
2.6.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.2:*:*:*:*:*:*:*

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
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
27.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 40th 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 (2)

redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kernel-0:2.6.18-194.26.1.el5
View patch

Vendor Advisories (1)

redhatCVE-2010-3066Moderate

kernel: io_submit_one() NULL ptr deref

Aug 8, 2007

References

git.kernel.org
bugzilla.redhat.com / show_bug.cgi
Patch
secunia.com / advisories/46397
securitytracker.com / id
kernel.org / pub/linux/kernel/v2.6/ChangeLog-2.6.23
redhat.com / support/errata/RHSA-2010-0839.html
securityfocus.com / archive/1/520102/100/0/threaded
vmware.com / security/advisories/VMSA-2011-0012.html