Note: This is an archival copy of Security Sun Alert 200718 as previously published on http://sunsolve.sun.com.
Latest version of this security advisory is available from http://support.oracle.com as Sun Alert 1000569.1.
Article ID : 1000569.1
Article Type : Sun Alerts (SURE)
Last reviewed : 2007-05-06
Audience : PUBLIC
Copyright Notice: Copyright © 2010, Oracle Corporation and/or its affiliates.

Security Vulnerability Relating to the acl(2) System Call May Allow Denial of Service (DoS) to the System

Category
Security

Release Phase
Resolved

Product
Solaris 10 Operating System

Bug Id
6492109

Date of Resolved Release
07-MAY-2007

Impact

A security vulnerability in Solaris 10 related to the acl(2) system call may allow a local unprivileged user to cause the system to panic, resulting in a denial of service (DoS) to the system.

Sun acknowledges with thanks, iDefense (http://www.idefense.com), for bringing this issue to our attention.

This issue is also described in the following document:

http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=524


Contributing Factors

This issue can occur in the following releases:

SPARC Platform

  • Solaris 10 without patch 125100-06

x86 Platform

  • Solaris 10 without patch 125101-06

Note: Solaris 8 and 9 are not affected by this issue.


Symptoms

Should the described issue occur, the system may panic with a stack trace similar to the following:

    unix:panicsys+0x48
  unix:vpanic_common+0x78
  unix:panic+0x1c
  genunix:vmem_xalloc+0x8b0
  genunix:vmem_alloc+0x1d4

Workaround

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


Resolution

This issue is addressed in the following releases:

SPARC Platform

  • Solaris 10 with patch 125100-06 or later

x86 Platform

  • Solaris 10 with patch 125101-06 or later


References

125100-06
125101-06




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