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 v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2014-4027
CWE-ID: CWE-264
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
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.
How to mitigate CVE-2014-4027
Install update from vendor's website.
Sources
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=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
- https://github.com/torvalds/linux/commit/4442dc8a92b8f9ad8ee9e7f8438f4c04c03a22dc
- https://support.f5.com/kb/en-us/solutions/public/15000/600/sol15685.html