Note: This is an archival copy of Security Sun Alert 254088 as previously published on http://sunsolve.sun.com.
Latest version of this security advisory is available from http://support.oracle.com as Sun Alert 1020200.1.
Article ID : 1020200.1
Article Type : Sun Alerts (SURE)
Last reviewed : 2009-03-03
Audience : PUBLIC
Copyright Notice: Copyright © 2010, Oracle Corporation and/or its affiliates.

A Security Vulnerability With the Solaris Crypto Driver May Cause a System Panic



Category
Security

Release Phase
Resolved

Bug Id
6767649

Product
Solaris 10 Operating System
OpenSolaris

Date of Resolved Release
04-Mar-2009

A Security Vulnerability With the Solaris Crypto Driver May Cause a System Panic

1. Impact

A security vulnerability in the Solaris crypto pseudo device driver may allow a local unprivileged user to panic the system causing a Denial of Service (DoS).

2. Contributing Factors

This issue can occur in the following releases:

SPARC Platform:
  • Solaris 10 without patch 139498-04
  • OpenSolaris based upon builds snv_88 through snv_102
x86 Platform:
  • Solaris 10 without patch 139499-04
  • OpenSolaris based upon builds snv_88 through snv_102
Note: Solaris 8 and Solaris 9 are not impacted by this issue.

OpenSolaris distributions may include additional bug fixes above and beyond the build from which it was derived.  To determine the base build of OpenSolaris, the following command can be used:
$ uname -v
snv_86

3. Symptoms

If the described issue occurs, the system may panic with a stack trace similar to the following:
vmem_hash_delete(): bad free
vmem_hash_delete()
vmem_xfree()
object_get_attribute_value()
fop_ioctl()
ioctl()

4. Workaround

There is no workaround for this issue. Please see the Resolution section below.

5. Resolution

Thi issue is addressed in the following releases:

SPARC Platform:
  • Solaris 10 with patch 139498-04 or later
  • OpenSolaris based upon builds snv_103 or later
x86 Platform:
  • Solaris 10 with patch 139499-04 or later
  • OpenSolaris based upon builds snv_103 or later
For more information on Security Sun Alerts, see 1009886.1.

This Sun Alert notification is being provided to you on an "AS IS" basis. This Sun Alert notification may contain information provided by third parties. The issues described in this Sun Alert notification may or may not impact your system(s). Sun makes no representations, warranties, or guarantees as to the information contained herein. ANY AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE HEREBY DISCLAIMED. BY ACCESSING THIS DOCUMENT YOU ACKNOWLEDGE THAT SUN SHALL IN NO EVENT BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES THAT ARISE OUT OF YOUR USE OR FAILURE TO USE THE INFORMATION CONTAINED HEREIN. This Sun Alert notification contains Sun proprietary and confidential information. It is being provided to you pursuant to the provisions of your agreement to purchase services from Sun, or, if you do not have such an agreement, the Sun.com Terms of Use. This Sun Alert notification may only be used for the purposes contemplated by these agreements.

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References

139498-04
139499-04





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