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CVE-2012-3400

28
FAUCET Score

CVE-2012-3400 describes a heap-based buffer overflow in the Linux kernel's UDF filesystem handling, specifically within the udf_load_logicalvol function. This vulnerability affects various Linux distributions, including Canonical Ubuntu and generic Linux kernels prior to version 3.4.5. With a CVSS score of 7.6, it is considered highly severe due to its network-based attack vector and high impact on confidentiality, integrity, and availability, despite requiring high attack complexity. 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
< 3.0.37CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.1, < 3.2.23CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.4, < 3.4.5CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
10.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*
11.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.6HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
8.74%
Probability of exploitation in next 30 days
EPSS Percentile
94.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0874 is in the 74th percentile among its peer group of 8,915 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 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 (5)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kernel-0:2.6.18-348.2.1.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-279.14.1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: kernel-rt-0:3.2.33-rt50.66.el6rt
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise MRG 1Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2012-3400Low

kernel: udf: buffer overflow when parsing sparing table

Jun 27, 2012

References

git.kernel.org
git.kernel.org
kb.juniper.net / InfoCenter/index
Third Party Advisory
lists.opensuse.org / opensuse-security-announce/2015-04/msg00020.html
Mailing ListThird Party Advisory
rhn.redhat.com / errata/RHSA-2013-0594.html
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
secunia.com / advisories/50506
Broken Link
github.com / torvalds/linux/commit/1df2ae31c724e57be9d7ac00d78db8a5dabdd050
Third Party Advisory
github.com / torvalds/linux/commit/adee11b2085bee90bd8f4f52123ffb07882d6256
ExploitThird Party Advisory
ubuntu.com / usn/usn-1529-1
Third Party Advisory
kernel.org / pub/linux/kernel/v3.x/ChangeLog-3.4.5
Vendor Advisory
openwall.com / lists/oss-security/2012/07/10/2
Mailing ListThird Party Advisory
ubuntu.com / usn/USN-1555-1
Third Party Advisory
ubuntu.com / usn/USN-1556-1
Third Party Advisory
ubuntu.com / usn/USN-1557-1
Third Party Advisory