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CVE-2014-3688

17
FAUCET Score

CVE-2014-3688 is a denial-of-service vulnerability affecting the SCTP implementation in the Linux kernel prior to version 3.17.4. Remote attackers can exploit this by triggering excessive memory consumption through a large number of chunks in an association's output queue, specifically via ASCONF probes. With a CVSS score of 5.0, this vulnerability is of medium severity, requiring no authentication and having low attack complexity, leading to a potential denial of service. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.17.3CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.0:rc1:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.0:rc3:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.85%
Probability of exploitation in next 30 days
EPSS Percentile
92.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0585 is in the 89th percentile among its peer group of 23,723 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 (6)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-504.3.3.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.2 Advanced Update SupportFixed in: kernel-0:2.6.32-220.58.1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.4 Extended Update SupportFixed in: kernel-0:2.6.32-358.55.1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.5 Extended Update SupportFixed in: kernel-0:2.6.32-431.46.2.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-0:3.10.0-123.13.1.el7
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: realtime-kernel

Vendor Advisories (1)

redhatCVE-2014-3688Important

kernel: net: sctp: remote memory pressure from excessive queueing

Oct 9, 2014

References

git.kernel.org
lists.opensuse.org / opensuse-security-announce/2015-03/msg00010.html
lists.opensuse.org / opensuse-security-announce/2015-03/msg00025.html
lists.opensuse.org / opensuse-security-announce/2015-04/msg00000.html
lists.opensuse.org / opensuse-security-announce/2015-04/msg00015.html
marc.info
marc.info
rhn.redhat.com / errata/RHSA-2015-0062.html
rhn.redhat.com / errata/RHSA-2015-0115.html
bugzilla.redhat.com / show_bug.cgi
github.com / torvalds/linux/commit/26b87c7881006311828bb0ab271a551a62dcceb4
Exploit
debian.org / security/2014/dsa-3060
kernel.org / pub/linux/kernel/v3.x/ChangeLog-3.17.4
openwall.com / lists/oss-security/2014/11/13/8
ubuntu.com / usn/USN-2417-1
ubuntu.com / usn/USN-2418-1