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4.9

Solaris 9 kernel can crash when local user runs fstat

CVE-2009-1673 · published 17 years ago
Summary

The core of Solaris 9 can be forced to stop working if a local user runs a specific command (fstat) with a certain argument. This causes the system to panic, leading to a denial of service. Apply the latest Solaris patches or restrict use of the fstat command to trusted users to prevent the issue.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
sun solaris 9
cpe:2.3:o:sun:solaris:9:*:sparc:*:*:*:*:*
Original advisory text
The kernel in Sun Solaris 9 allows local users to cause a denial of service (panic) by calling fstat with a first argument of AT_FDCWD.
The kernel in Sun Solaris 9 allows local users to cause a denial of service (panic) by calling fstat with a first argument of AT_FDCWD.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
4.9 Medium
Exploitation
<1% chance of attack within 30 days
Timeline
Published18 May 2009
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2009-1673 · NVD
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