What’s Vulnerable › Vulnerabilities

CVE-2014-4027

• Severity: low (CVSS 2.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-06-23 · updated 2026-06-17
• Weakness: CWE-200

Description

The rd_build_device_space function in drivers/target/target_core_rd.c in the Linux kernel before 3.14 does not properly initialize a certain data structure, which allows local users to obtain sensitive information from ramdisk_mcp memory by leveraging access to a SCSI initiator.

Affected products

• Canonical Ubuntu Linux: 12.04
• F5 BIG-IP APM: from 11.1.0 through 11.6.0; 12.0.0
• BIG-IP: from 11.3.0 through 11.6.0; 12.0.0
• F5 Big-Ip Analytics: from 11.1.0 through 11.6.0; 12.0.0
• F5 Networks, Inc. BIG-IP (AAM): from 11.4.0 through 11.6.0; 12.0.0
• BIG-IP ASM: from 11.1.0 through 11.6.0; 12.0.0
• F5 BIG-IP DNS: 12.0.0
• F5 Big-Ip Edge Gateway: from 11.1.0 through 11.3.0
• F5 Big-Ip Global Traffic Manager: from 11.1.0 through 11.6.0
• F5 Big-Ip Link Controller: from 11.1.0 through 11.6.0; 12.0.0
• F5 BIG-IP (LTM): from 11.1.0 through 11.6.0; 12.0.0
• F5 Networks, Inc. BIG-IP (PEM): from 11.3.0 through 11.6.0; 12.0.0
• F5 Big-Ip Protocol Security Module: from 11.1.0 through 11.4.1
• F5 Big-Ip Wan Optimization Manager: from 11.1.0 through 11.3.0
• F5 Big-Ip Webaccelerator: from 11.1.0 through 11.3.0
• F5 Big-Iq Application Delivery Controller: 4.5.0
• F5 Big-Iq Cloud: from 4.0.0 through 4.5.0
• F5 Big-Iq Device: from 4.2.0 through 4.5.0
• F5 Big-Iq Security: from 4.0.0 through 4.5.0
• F5 Networks, Inc. Enterprise Manager: from 3.0.0 through 3.1.1
• Linux kernel: before 3.14 — fixed in 3.14
• Red Hat Enterprise Linux: 6.0
• SUSE Linux Enterprise Server 15 SP1: 11-sp3
• SUSE Linux Enterprise High Availability Extension: 11-sp3
• SUSE Linux Enterprise Real Time Extension: 11-sp3
• SUSE Linux Enterprise Server: 11-sp3

How to fix

Upgrade to a fixed version: Linux kernel 3.14. Check the vendor advisory for mitigations.

References

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4442dc8a92b8f9ad8ee9e7f8438f4c04c03a22dc
• http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00006.html
• http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00007.html
• http://permalink.gmane.org/gmane.linux.scsi.target.devel/6618
• http://secunia.com/advisories/59134
• http://secunia.com/advisories/59777
• http://secunia.com/advisories/60564
• http://secunia.com/advisories/61310
• http://www.openwall.com/lists/oss-security/2014/06/11/1
• http://www.ubuntu.com/usn/USN-2334-1
• http://www.ubuntu.com/usn/USN-2335-1
• https://bugzilla.redhat.com/show_bug.cgi?id=1108744

Get alerted when CVE-2014-4027 or the next vulnerability affects your stack