SB2014051206 - Permissions, Privileges, and Access Controls in Linux kernel 



SB2014051206 - Permissions, Privileges, and Access Controls in Linux kernel

Published: May 12, 2014 Updated: August 10, 2020

Security Bulletin ID SB2014051206
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2014-1737)

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The raw_cmd_copyin function in drivers/block/floppy.c in the Linux kernel through 3.14.3 does not properly handle error conditions during processing of an FDRAWCMD ioctl call, which allows local users to trigger kfree operations and gain privileges by leveraging write access to a /dev/fd device.


Remediation

Install update from vendor's website.