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CVE-2014-2568

12
FAUCET Score

CVE-2014-2568 is a use-after-free vulnerability in the Linux kernel, specifically affecting the nfqnl_zcopy function (later moved to skb_zerocopy), impacting various Linux distributions including Canonical and Ubuntu. This vulnerability allows an attacker to potentially obtain sensitive information from kernel memory due to a missing orphaning operation. With a CVSS score of 2.9 (AV:A/AC:M/Au:N/C:P/I:N/A:N), it has a low severity, requiring adjacent network access and medium attack complexity to achieve partial confidentiality impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, indicating a low current threat landscape.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.0, <= 3.13.6CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.9LOW

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
ADJACENT_NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
5.5
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.01%
Probability of exploitation in next 30 days
EPSS Percentile
59.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0101 is in the 80th percentile among its peer group of 122 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 0.0 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 (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-0:3.10.0-123.4.2.el7
View patch

Vendor Advisories (1)

redhatCVE-2014-2568Low

kernel: net: potential information leak when ubuf backed skbs are skb_zerocopy()ied

Mar 18, 2014

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
seclists.org / oss-sec/2014/q1/627
Mailing ListThird Party Advisory
secunia.com / advisories/59599
Broken Link
exchange.xforce.ibmcloud.com / vulnerabilities/91922
Third Party AdvisoryVDB Entry
lkml.org / lkml/2014/3/20/421
ExploitThird Party Advisory
openwall.com / lists/oss-security/2014/03/20/16
Mailing ListPatchThird Party Advisory
securityfocus.com / bid/66348
Third Party AdvisoryVDB Entry
ubuntu.com / usn/USN-2240-1
Third Party Advisory