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CVE-2014-8133

11
FAUCET Score

CVE-2014-8133 is a vulnerability in the Thread Local Storage (TLS) implementation of the Linux kernel (through version 3.18.1) that allows local users to bypass the espfix protection mechanism, thereby easing ASLR bypass. This vulnerability has a low severity CVSS score of 2.1, indicating a local attack vector with low complexity and a potential impact limited to integrity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.18.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.0:rc1:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.0:rc3:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.1LOW

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
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
0.58%
Probability of exploitation in next 30 days
EPSS Percentile
44.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0058 is in the 80th 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

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-573.el6
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kernel

Vendor Advisories (1)

redhatCVE-2014-8133Low

kernel: x86: espfix(64) bypass via set_thread_area and CLONE_SETTLS

Dec 15, 2014

References

git.kernel.org
lists.opensuse.org / opensuse-security-announce/2015-03/msg00025.html
lists.opensuse.org / opensuse-security-announce/2015-04/msg00015.html
rhn.redhat.com / errata/RHSA-2015-1272.html
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/62801
github.com / torvalds/linux/commit/41bdc78544b8a93a9c6814b8bbbfef966272abbe
debian.org / security/2015/dsa-3128
mandriva.com / security/advisories
openwall.com / lists/oss-security/2014/12/15/6
securityfocus.com / bid/71684
ubuntu.com / usn/USN-2490-1
ubuntu.com / usn/USN-2491-1
ubuntu.com / usn/USN-2492-1
ubuntu.com / usn/USN-2493-1
ubuntu.com / usn/USN-2515-1
ubuntu.com / usn/USN-2516-1
ubuntu.com / usn/USN-2517-1
ubuntu.com / usn/USN-2518-1