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CVE-2012-3412

29
FAUCET Score

CVE-2012-3412 describes a denial-of-service vulnerability in the Solarflare sfc driver within the Linux kernel versions prior to 3.2.30, affecting Canonical and Linux distributions. Remote attackers can exploit this by sending crafted TCP packets with small MSS values, leading to DMA descriptor consumption and a network controller outage. With a CVSS score of 7.8 (High), this vulnerability is easily exploitable over the network with low complexity and results in a complete loss of availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.0.44CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.1, < 3.2.30CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.3, < 3.4.12CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.5, < 3.5.5CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
10.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
6.16%
Probability of exploitation in next 30 days
EPSS Percentile
92.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0616 is in the 88th percentile among its peer group of 51,506 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kernel-0:2.6.18-308.16.1.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5.6 EUS - Server OnlyFixed in: kernel-0:2.6.18-238.45.1.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-279.11.1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.1 EUS - Server OnlyFixed in: kernel-0:2.6.32-131.35.1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.2 EUS - Server and Compute Node OnlyFixed in: kernel-0:2.6.32-220.28.1.el6
View patch
redhatpatch availablevia redhat_api
Product: RHEV 3.X Hypervisor and Agents for RHEL-6Fixed in: rhev-hypervisor6-0:6.3-20121012.0.el6_3
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: realtime-kernel

Vendor Advisories (1)

redhatCVE-2012-3412Important

kernel: sfc: potential remote denial of service through TCP MSS option

Jul 30, 2012

References

lists.opensuse.org / opensuse-security-announce/2012-10/msg00005.html
Broken LinkMailing ListThird Party Advisory
rhn.redhat.com / errata/RHSA-2012-1323.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2012-1324.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2012-1347.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2012-1375.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2012-1401.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2012-1430.html
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
secunia.com / advisories/50633
Broken Link
secunia.com / advisories/50732
Broken Link
secunia.com / advisories/50811
Broken Link
secunia.com / advisories/51193
Broken Link
github.com / torvalds/linux/commit/68cb695ccecf949d48949e72f8ce591fdaaa325c
ExploitThird Party Advisory
suse.com / support/update/announcement/2012/suse-su-20121679-1.html
Third Party Advisory
kernel.org / pub/linux/kernel/v3.x/ChangeLog-3.2.30
Vendor Advisory
openwall.com / lists/oss-security/2012/08/03/4
Mailing ListThird Party Advisory
ubuntu.com / usn/USN-1567-1
Third Party Advisory
ubuntu.com / usn/USN-1568-1
Third Party Advisory
ubuntu.com / usn/USN-1572-1
Third Party Advisory
ubuntu.com / usn/USN-1575-1
Third Party Advisory
ubuntu.com / usn/USN-1577-1
Third Party Advisory
ubuntu.com / usn/USN-1578-1
Third Party Advisory
ubuntu.com / usn/USN-1579-1
Third Party Advisory
ubuntu.com / usn/USN-1580-1
Third Party Advisory