Bug Id
6328960

Product
Solaris 9 Operating System

Date of Resolved Release
14-May-2009

Security Vulnerability in Solaris 9 fstat(2) System Call May Lead to a System Panic, Resulting in a Denial of Service (DoS)

1. Impact

A security vulnerability related to the fstat(2) system call in Solaris 9 may allow a local unprivileged user to panic the system, resulting in a Denial of Service (DoS).

2. Contributing Factors

This issue can occur in the following releases:

SPARC Platform

• Solaris 9 without patch 122300-40

x86 Platform

• Solaris 9 without patch 122301-40

Note: Solaris 8, Solaris 10, and OpenSolaris are not impacted by this issue.

3. Symptoms

If this issue is exploited to cause a Denial of Service, the system may panic with a stack trace which includes lines similar to the following:

genunix:cstatat_getvp+4c (...)
genunix:cstatat32+58 (...)

or:

genunix:o_cstat+14 (...)
genunix:o_cstatat+4c (...)

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:

SPARC Platform

• Solaris 9 with patch 122300-40 or later

x86 Platform

• Solaris 9 with patch 122301-40 or later

For more information on Security Sun Alerts, see 1009886.1.

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References

122300-40
122301-40





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