CVE-2014-8133 Security feature bypass in n/a

What is CVE-2014-8133?

CVE-2014-8133 is a low-severity vulnerability in Linux kernel, published on 17 Dec 2014. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

arch/x86/kernel/tls.c in the Thread Local Storage (TLS) implementation in the Linux kernel through 3.18.1 allows local users to bypass the espfix protection mechanism, and consequently makes it easier for local users to bypass the ASLR protection mechanism, via a crafted application that makes a set_thread_area system call and later reads a 16-bit value.

Weakness: CWE-264

Which versions are affected by CVE-2014-8133?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2014-8133?

Apply the vendor's patch.

Is CVE-2014-8133 being exploited?

There is no known exploitation of CVE-2014-8133 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2014-8133, GHSA-6w8j-qr7f-r492, UBUNTU-CVE-2014-8133.