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CVE-2013-2634

11
FAUCET Score

CVE-2013-2634 describes an information disclosure vulnerability in the Linux kernel, specifically within the net/dcb/dcbnl.c component, affecting versions prior to 3.8.4. This flaw allows local users to potentially access sensitive data from kernel stack memory due to uninitialized structures. The vulnerability has a low severity score (CVSS 1.9) with an attack vector requiring local access and medium attack complexity, resulting in a potential impact of partial confidentiality loss. There is no impact on integrity or availability. There is no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. The CVE has received minimal community discussion and media coverage, indicating a low level of public awareness and attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.8.3CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
3.8.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.8.0:*:*:*:*:*:*:*
3.8.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.8.1:*:*:*:*:*:*:*
3.8.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.8.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

1.9LOW

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.46%
Probability of exploitation in next 30 days
EPSS Percentile
37.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0046 is in the 84th percentile among its peer group of 747 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 0.2 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 (4)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: OpenStack 3 for RHEL 6Fixed in: kernel-0:2.6.32-358.114.1.openstack.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-358.14.1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: kernel-rt-0:3.6.11.2-rt33.39.el6rt
View patch

Vendor Advisories (1)

redhatCVE-2013-2634Low

kernel: Information leak in the Data Center Bridging (DCB) component

Mar 9, 2013

References

git.kernel.org
lists.opensuse.org / opensuse-security-announce/2013-07/msg00018.html
lists.opensuse.org / opensuse-updates/2013-12/msg00129.html
rhn.redhat.com / errata/RHSA-2013-1051.html
bugzilla.redhat.com / show_bug.cgi
github.com / torvalds/linux/commit/29cd8ae0e1a39e239a3a7b67da1986add1199fc0
Patch
kernel.org / pub/linux/kernel/v3.x/ChangeLog-3.8.4
mandriva.com / security/advisories
openwall.com / lists/oss-security/2013/03/20/1
ubuntu.com / usn/USN-1809-1
ubuntu.com / usn/USN-1811-1
ubuntu.com / usn/USN-1812-1
ubuntu.com / usn/USN-1813-1
ubuntu.com / usn/USN-1814-1
ubuntu.com / usn/USN-1829-1