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CVE-2014-9731

11
FAUCET Score

CVE-2014-9731 describes an information disclosure vulnerability in the UDF filesystem implementation of the Linux kernel prior to version 3.18.2. This flaw arises from insufficient space allocation for symlink targets, allowing local users to extract sensitive information via a specially crafted UDF filesystem image. With a CVSS score of 2.1, it is considered low severity, requiring local access and low attack complexity to achieve partial confidentiality impact. There is no evidence of active exploitation, public exploit code, or significant community discussion, indicating a low likelihood of widespread exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.18.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.1LOW

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.42%
Probability of exploitation in next 30 days
EPSS Percentile
34.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0042 is in the 63rd percentile among its peer group of 2,096 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, 0.0 Bluesky, 0.0 Mastodon, and 0.6 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 Patches (5)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: realtime-kernel

Vendor Advisories (1)

redhatCVE-2014-9731Low

Kernel: fs: udf: information leakage when reading symlink

Dec 18, 2014

References

git.kernel.org / cgit/linux/kernel/git/torvalds/linux.git/commit
lists.opensuse.org / opensuse-security-announce/2015-07/msg00023.html
lists.opensuse.org / opensuse-security-announce/2015-07/msg00049.html
lists.opensuse.org / opensuse-security-announce/2015-08/msg00011.html
lists.opensuse.org / opensuse-security-announce/2015-09/msg00018.html
lists.opensuse.org / opensuse-security-announce/2015-09/msg00021.html
bugzilla.redhat.com / show_bug.cgi
github.com / torvalds/linux/commit/0e5cc9a40ada6046e6bc3bdfcd0c0d7e4b706b14
source.android.com / security/bulletin/2017-07-01
kernel.org / pub/linux/kernel/v3.x/ChangeLog-3.18.2
Vendor Advisory
openwall.com / lists/oss-security/2015/06/03/4
securityfocus.com / bid/75001