CVE-2014-4027

Published: 23 June 2014

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.

From the Ubuntu security team

An information leak was discovered in the rd_mcp backend of the iSCSI target subsystem in the Linux kernel. A local user could exploit this flaw to obtain sensitive information from ramdisk_mcp memory by leveraging access to a SCSI initiator.

Notes

android kernels (goldfish, grouper, maguro, mako and manta) are not
supported on the Ubuntu Touch 13.10 preview kernels
android kernels (flo, goldfish, grouper, maguro, mako and manta) are
not supported on the Ubuntu Touch 14.04 preview kernels

Suggested it was introduced in 2.6.38

linux-lts-saucy no longer receives official support

Status

References

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-4027
• http://www.openwall.com/lists/oss-security/2014/06/11/1
• https://ubuntu.com/security/notices/USN-2285-1
• https://ubuntu.com/security/notices/USN-2334-1
• https://ubuntu.com/security/notices/USN-2335-1
• https://ubuntu.com/security/notices/USN-2336-1
• https://ubuntu.com/security/notices/USN-2337-1
• NVD
• Launchpad
• Debian

Bugs

• https://launchpad.net/bugs/1333612