Permissions, Privileges, and Access Controls in Linux kernel - CVE-2014-4027

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Main Vulnerability Database Vulnerabilities #VU41531

Permissions, Privileges, and Access Controls in Linux kernel - CVE-2014-4027

Published: June 23, 2014 / Updated: August 10, 2020


Vulnerability identifier: #VU41531
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2014-4027
CWE-ID: CWE-264
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote #AU# to gain access to sensitive information.

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 software

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-image-3.5.0-54-generic (Ubuntu package)
linux-lts-trusty (Ubuntu package)

How to mitigate CVE-2014-4027

Install update from vendor's website.

linux (Ubuntu package) - addressed in versions 3.2.0-68.102, 3.13.0-35.62
linux-image-3.5.0-54-generic (Ubuntu package) - update to 3.5.0-54.81~precise1
linux-lts-trusty (Ubuntu package) - update to 3.13.0-35.62~precise1

External References

Related Security Bulletins