Note: This is an archival copy of Security Sun Alert 200635 as previously published on
Latest version of this security advisory is available from as Sun Alert 1000496.1.
Article ID : 1000496.1
Article Type : Sun Alerts (SURE)
Last reviewed : 2008-02-05
Audience : PUBLIC
Copyright Notice: Copyright © 2010, Oracle Corporation and/or its affiliates.

Security Vulnerability in the vuidmice(7M) STREAMS Modules May Lead to a System Panic


Release Phase

Solaris 9 Operating System
Solaris 10 Operating System

Bug Id

Date of Resolved Release

A security vulnerability in the vuidmice STREAMS modules (vuidmice (7M)) - see below for details

1. Impact

A security vulnerability in the vuidmice STREAMS modules (vuidmice (7M)) may allow a local unprivileged user the ability to panic the system. This is a type of Denial of Service (DoS).

2. Contributing Factors

This issue can occur in the following releases:

x86 Platform

  • Solaris 9 without patch 117419-04
  • Solaris 10 without patch 127751-02

Note 1: This issue does not affect Solaris on the SPARC platform.

Note 2: This issue does not affect Solaris 8 on the x86 platform.

3. Symptoms

If the described issue occurs, the system may panic with a panic string similar to the following:

    panic[cpu1]/thread=d2a35de0: BAD TRAP: type=e (#pf Page fault)
    rp=d2a35c80 addr=10 occurred in module "vuid3ps2" due to a NULL pointer dereference

and a stack trace similar to the following:

    unix:die+a7 (e, d2a35c80, 10, 1)
    unix:trap+1058 (d2a35c80, 10, 1)
    unix:cmntrap+9a (1b0, 0, d29f0160, d)
    vuid3ps2:vuidmice_handle_wheel_resolution_ioctl+158 (d29fdae0, d29f6420,)
    vuid3ps2:vuidmice_wput+20e (d29fdae0, d29f6420)
    unix:putnext+1b7 (d29fdae0, d29f6420)
    consms:consmslwserv+2d (d29fddd0)
    genunix:runservice+2a (d29fddd0)
    genunix:queue_service+30 (d29fddd0, d2248f20,)
    genunix:stream_service+69 (d27409b8, 0, 0, 0, )
    genunix:taskq_d_thread+8a (d2248f20, 0)
    unix:thread_start+8 ()

4. Workaround

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

5. Resolution

This issue is addressed in the following releases:

x86 Platform

  • Solaris 9 with patch 117419-04 or later
  • Solaris 10 with patch 127751-02 or later
For more information on Security Sun Alerts, see Sun 1009886.1.

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