VULNERABILITY INTELLIGENCE
CVE-2006-2374
CVSS score5.5 MEDIUM
EPSS probability1.75%
CISA KEVNot currently listed
Published2006-06-13
Last modified2026-06-16
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Description
The Server Message Block (SMB) driver (MRXSMB.SYS) in Microsoft Windows 2000 SP4, XP SP1 and SP2, and Server 2003 SP1 and earlier allows local users to cause a denial of service (hang) by calling the MrxSmbCscIoctlCloseForCopyChunk with the file handle of the shadow device, which results in a deadlock, aka the "SMB Invalid Handle Vulnerability."
Weakness classification
- CWE-667: Improper Locking
Primary references
- secure@microsoft.com — Broken Link, Third Party Advisory
- secure@microsoft.com — Broken Link, Third Party Advisory, VDB Entry
- secure@microsoft.com — Not Applicable
- secure@microsoft.com — Broken Link
- secure@microsoft.com — Broken Link, Exploit, Patch, Third Party Advisory, VDB Entry
- secure@microsoft.com — Broken Link, Vendor Advisory
- secure@microsoft.com — Patch, Vendor Advisory
- secure@microsoft.com — Third Party Advisory, VDB Entry
- secure@microsoft.com — Broken Link, Third Party Advisory
- secure@microsoft.com — Broken Link, Third Party Advisory
- secure@microsoft.com — Broken Link, Third Party Advisory
- secure@microsoft.com — Broken Link, Third Party Advisory