Vulnerability 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.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 3.18.1 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
- http://rhn.redhat.com/errata/RHSA-2015-1272.html
- http://secunia.com/advisories/62801
- http://www.debian.org/security/2015/dsa-3128
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:058
- http://www.openwall.com/lists/oss-security/2014/12/15/6
- http://www.securityfocus.com/bid/71684
- http://www.ubuntu.com/usn/USN-2490-1
- http://www.ubuntu.com/usn/USN-2491-1
- http://www.ubuntu.com/usn/USN-2492-1
- http://www.ubuntu.com/usn/USN-2493-1
- http://www.ubuntu.com/usn/USN-2515-1
- http://www.ubuntu.com/usn/USN-2516-1
FAQ
What is CVE-2014-8133?
CVE-2014-8133 is a vulnerability with a CVSS score of 2.1 (LOW). 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...
How severe is CVE-2014-8133?
CVE-2014-8133 has been rated LOW with a CVSS base score of 2.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2014-8133?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.