National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2009-1046 Detail

Current Description

The console selection feature in the Linux kernel 2.6.28 before, 2.6.25, and possibly earlier versions, when the UTF-8 console is used, allows physically proximate attackers to cause a denial of service (memory corruption) by selecting a small number of 3-byte UTF-8 characters, which triggers an "off-by-two memory error." NOTE: it is not clear whether this issue crosses privilege boundaries.

Source:  MITRE      Last Modified:  04/05/2016      View Analysis Description

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
(AV:L/AC:M/Au:N/C:N/I:N/A:C) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Not required to exploit
Impact Type:
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (05/19/2009)

This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, and 5. It was addressed in Red Hat Enterprise MRG via: .

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name Patch External Source MLIST [linux-kernel] 20090130 [PATCH] Fix memory corruption in console selection Patch External Source MLIST [linux-kernel] 20090202 Re: [PATCH] Fix memory corruption in console selection External Source DEBIAN DSA-1787 External Source DEBIAN DSA-1800 External Source CONFIRM External Source MLIST [oss-security] 20090212 Re: kernel External Source MLIST [oss-security] 20090212 Re: kernel issue External Source MLIST [oss-security] 20090212 kernel issue External Source REDHAT RHSA-2009:0451 Patch External Source BID 33672 External Source UBUNTU USN-751-1

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Change History 3 change records found - show changes