Bug 512998 (CVE-2014-4027)

Summary:	Kernel: rd_mcp backend: information leak in the iSCSI target subsystem (CVE-2014-4027)
Product:	Gentoo Security	Reporter:	Kristian Fiskerstrand (RETIRED) <k_f>
Component:	Kernel	Assignee:	Gentoo Kernel Security <security-kernel>
Status:	RESOLVED FIXED
Severity:	normal	CC:	kernel
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	Linux
URL:	http://seclists.org/oss-sec/2014/q2/510
Whiteboard:
Package list:		Runtime testing required:	---

Description Kristian Fiskerstrand (RETIRED) gentoo-dev

2014-06-11 19:52:25 UTC

Jorge Daniel Sequeira Matias discovered an information leak in the rd_mcp backend
of the iSCSI target subsystem in the Linux kernel (originally reported to the
Debian Security Team and investigated by Nicholas A. Bellinger):

Introduced in 2.6.38 and fixed in 3.14 with
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4442dc8a92b8f9ad8ee9e7f8438f4c04c03a22dc

Comment 1 GLSAMaker/CVETool Bot gentoo-dev

2014-08-10 14:18:06 UTC

CVE-2014-4027 (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-4027):
  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.

Comment 2 John Helmert III archtester

2022-03-25 22:12:38 UTC

Yep, fixed in 3.14.