CVE-2009-1633: Buffer Overflow

Published Apr 20, 2009
·
Updated

Multiple buffer overflows in the cifs subsystem in the Linux kernel before 2.6.29.4 allow remote CIFS servers to cause a denial of service (memory corruption) and possibly have unspecified other impact via (1) a malformed Unicode string, related to Unicode string area alignment in fs/cifs/sess.c; or (2) long Unicode characters, related to fs/cifs/cifssmb.c and the cifsreaddir function in fs/cifs/readdir.c.

Affected Software

7 affected components
Linux Linux kernel<2.6.29.4
Debian Debian Linux=4.0
Debian Debian Linux=5.0
Canonical Ubuntu Linux=6.06
Canonical Ubuntu Linux=8.04
Canonical Ubuntu Linux=8.10
Canonical Ubuntu Linux=9.04

Event History

Apr 20, 2009
Data Sourced
06:02 AM
DescriptionSeverityAffected Software
May 28, 2009
CVE Published
via MITRE·08:14 PM
Data Sourced
via MITRE·08:14 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2009-1633?

CVE-2009-1633 is considered a moderate severity vulnerability that can lead to denial of service due to memory corruption.

2

How do I fix CVE-2009-1633?

To fix CVE-2009-1633, upgrade the Linux kernel to version 2.6.29.4 or later.

3

What systems are affected by CVE-2009-1633?

CVE-2009-1633 affects various Linux distributions including Debian 4.0, 5.0 and Ubuntu 6.06, 8.04, 8.10, and 9.04.

4

What type of vulnerability is CVE-2009-1633?

CVE-2009-1633 is a buffer overflow vulnerability in the CIFS subsystem of the Linux kernel.

5

Can CVE-2009-1633 lead to data loss?

While CVE-2009-1633 primarily causes denial of service, it may indirectly lead to data loss due to memory corruption.

Contact

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