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Bug 490420 (CVE-2013-6383)

Summary: Kernel : AACRAID Driver Compat IOCTL Security Bypass Security Issue (CVE-2013-6383)
Product: Gentoo Security Reporter: Agostino Sarubbo <ago>
Component: KernelAssignee: Gentoo Kernel Security <security-kernel>
Severity: normal CC: kernel, polynomial-c
Priority: Normal    
Version: unspecified   
Hardware: All   
OS: Linux   
Package list:
Runtime testing required: ---

Description Agostino Sarubbo gentoo-dev 2013-11-04 19:30:21 UTC
From ${URL} :


A security issue has been reported in the Linux Kernel, which can be exploited by malicious, local 
users to bypass certain security restrictions.

The security issue is caused due to the AACRAID driver not correctly checking the privileges for 
compat IOCTLs. This can be exploited to perform otherwise restricted operations by sending certain 
compat IOCTLs to the driver.

This is related to:

The security issue is reported in versions,, 3.2.52, 3.4.67, 3.10.17, and 

Fixed in the git repository.

Provided and/or discovered by:
Dan Carpenter within a git commit.

Original Advisory:
Comment 1 GLSAMaker/CVETool Bot gentoo-dev 2013-11-27 21:44:02 UTC
CVE-2013-6383 (
  The aac_compat_ioctl function in drivers/scsi/aacraid/linit.c in the Linux
  kernel before 3.11.8 does not require the CAP_SYS_RAWIO capability, which
  allows local users to bypass intended access restrictions via a crafted
  ioctl call.
Comment 2 Chris Reffett (RETIRED) gentoo-dev Security 2013-12-12 15:25:12 UTC
*** Bug 492540 has been marked as a duplicate of this bug. ***
Comment 3 John Helmert III archtester Gentoo Infrastructure gentoo-dev Security 2022-03-25 15:42:57 UTC
Fix in 3.11.8 onwards