A Security Vulnerability in the Solaris 10 STREAMS Administrative Driver ("sad") May Allow a Denial of Service (System panic)

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A Security Vulnerability in the Solaris 10 STREAMS Administrative Driver ("sad") May Allow a Denial of Service (System panic)

1. Impact

Due to a race condition security vulnerability in the Solaris 10 STREAMS Administrative Driver (sad(7D)), this vulnerability may allow a local unprivileged user the ability to cause a system to panic. This is a type of Denial of Service (DoS).

2. Contributing Factors

This issue can occur in the following releases:

SPARC Platform:

• Solaris 10 with patch 120011-06 (or later) and without patch 127743-01

x86 Platform:

• Solaris 10 with patch 120012-06 (or later) and without patch 127744-01

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

3. Symptoms

Other than the panic itself, there are no predictable symptoms that would indicate this issue has been exploited.

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 10 with patch 127743-01 or later
  

x86 Platform:

• Solaris 10 with patch 127744-01 or later

For more information on Security Sun Alerts, see Technical Instruction ID 213557.

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