Note: This is an archival copy of Security Sun Alert 200163 as previously published on
Latest version of this security advisory is available from as Sun Alert 1000118.1.
Article ID : 1000118.1
Article Type : Sun Alerts (SURE)
Last reviewed : 2008-02-11
Audience : PUBLIC
Copyright Notice: Copyright © 2010, Oracle Corporation and/or its affiliates.

Security Vulnerability in Solaris 8 Directory Functions


Release Phase

Bug Id

Solaris 8 Operating System

Date of Resolved Release

Due to a security vulnerability, a local unprivileged user may be able to crash a Solaris 8 system (see below for details)

1. Impact

Due to a security vulnerability, a local unprivileged user may be able to crash a Solaris 8 system with a sequence of system calls or commands issued in a specific manner. The ability to crash a system is a type of Denial of Service (DoS).

2. Contributing Factors

This issue can occur in the following releases:

SPARC Platform

  • Solaris 8 without patch 117350-53

x86 Platform

  • Solaris 8 without patch 117351-53

Note: Solaris 9 and Solaris 10 are not impacted by this issue.

3. Symptoms

If the described issue occurs, the affected system will panic and may produce a crashdump with a stack trace similar to the following:

    unix:panicsys+0x44(0x10149de0, 0x2a101de5478, 0x104241e0, 0x1, 0x0, , 0x9914001603, , , , 0x10149de0, 0x2a101de5478)
    unix:vpanic+0xcc(0x10149de0, 0x2a101de5478, 0x3c, 0x1, 0xdb890, 0x30008166978)
    unix:panic+0x1c(0x10149de0, 0x104108d0, 0x3c, 0x300033af6c0, 0x0, 0x0)
    genunix:turnstile_block+0x360(0x30008166948, 0x0, 0x30099a4cad8, 0x104108d0, 0x0)
    unix:rw_enter(0x30099a4cad8, 0x0) - frame recycled
    ufs:ufs_dirfixdotdot+0x1e0(0x300996dc3f8, 0x30099a4c998, 0x300039a1638)
    ufs:ufs_diraddentry+0xbc(0x300039a1638, 0x300045b91f1, 0x3, 0x2, 0x2a101de57a8, 0x300996dc3f8, 0x30099a4c998, 0x30026c98c10)
    ufs:ufs_direnter_lr+0x3ac(0x300039a1638, 0x300045b91f1, 0x3, 0x30099a4c998, 0x300996dc3f8, 0x30026c98c10)
    ufs:ufs_rename+0x250(, 0x3000321b1a0, 0x30002ba06c0?, 0x300045b91f1)
    genunix:vn_rename+0x15c(0xffbefd92, 0x26fe8, 0x0, 0xff3de7a8, 0x0, 0x1)
    genunix:rename+0xc(, 0x26fe8, 0xf000, 0x26540, 0x8000, 0x265d8)

4. Workaround

There is no workaround. Please see the Resolution section below.

5. Resolution

This issue is addressed in the following releases:

SPARC Platform

  • Solaris 8 with patch 117350-53 or later

x86 Platform

  • Solaris 8 with patch 117351-53 or later
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