SB2014062306 - Permissions, Privileges, and Access Controls in Linux kernel
Published: June 23, 2014 Updated: August 10, 2020
Security Bulletin ID
SB2014062306
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2014-4027)
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.
Remediation
Install update from vendor's website.
References
- 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