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CVE-2008-3686

15
FAUCET Score

CVE-2008-3686 describes a denial-of-service vulnerability in the Linux kernel (versions 2.6.26-rc4, 2.6.26.2, and potentially other 2.6.26 versions) affecting the rt6_fill_node function. This flaw allows local users to trigger a kernel OOPS due to a NULL pointer dereference when processing IPv6 requests without an active IPv6 input device. With a CVSS score of 4.9, it is considered a low-severity vulnerability, requiring local access and resulting in a complete loss of availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.6.26CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.26:rc4:*:*:*:*:*:*
2.6.26.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.26.2:*:*:*:*:*:*:*

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
0.47%
Probability of exploitation in next 30 days
EPSS Percentile
38.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0047 is in the 72nd 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

Vendor Advisories (1)

redhatCVE-2008-3686

CVE-2008-3686

References

git.kernel.org
lkml.org / lkml/2008/8/7/230
Exploit
lkml.org / lkml/2008/8/8/7
Exploit
secunia.com / advisories/31579
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/44605
vupen.com / english/advisories/2008/2422
Vendor Advisory