Note: This is an archival copy of Security Sun Alert 263388 as previously published on http://sunsolve.sun.com. Latest version of this security advisory is available from http://support.oracle.com as Sun Alert 1020706.1. |
Category Security Release Phase Resolved 6646890, 6646366 Product Solaris 8 Operating System Solaris 9 Operating System Solaris 10 Operating System OpenSolaris Date of Workaround Release 30-Sep-2009 Date of Resolved Release 11-Nov-2009 Security Vulnerabilities in Solaris IP(7P) Module and STREAMS Framework May Lead to a Denial of Service (DoS) Condition 1. Impact Security vulnerabilities in the Solaris IP(7P) module and STREAMS Framework may allow an unprivileged local user to leak kernel memory, eventually causing the system to hang. This is a type of Denial of Service (DoS). 2. Contributing Factors These issues can occur in the following releases: SPARC Platform
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 -v3. Symptoms 1. If the described issue occurs, the following messages may be displayed on the system console or in the '/var/adm/messages' file: sshd: [ID <id#> auth.error] error: fork: Error 02. A forced coredump generated from unresponsive systems which have the 'kmem_flags' variable set to 0xf in the '/etc/system' file (see system(4) for modifying this file) may show memory leaks in one of the streams_dblk_* memory caches, and also in the streams_mblk cache, with one of the following stacks: kmem_cache_alloc+0x18c kmem_cache_alloc+0x88The following command can be run as "root" user to find memory leaks in the coredump files: # echo ::findleaks -dv | /usr/bin/mdb -k unix.# vmcore.# > findleak.txt(Where # is the current core dump number). Open findleak.txt to confirm the above stack trace. 4. Workaround There is no workaround for these issues. Please see the "Resolution" section below. 5. Resolution These issues are addressed in the following releases: SPARC Platform
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. Copyright 2000-2009 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, CA 95054 U.S.A. All rights reserved. Modification History 11-Nov-2009: Updated Contributing Factors and Resolution sections, now Resolved References127721-03127722-03 116965-36 116966-35 122300-44 122301-44 141414-09 141415-09 Attachments This solution has no attachment |
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