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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel snd_seq_oss_synth_make_info() Discloses Kernel Memory Information to Local Users
SecurityTracker Alert ID:  1020636
SecurityTracker URL:  http://securitytracker.com/id/1020636
CVE Reference:   CVE-2008-3272   (Links to External Site)
Date:  Aug 6 2008
Impact:   Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 2.6.27-rc2
Description:   A vulnerability was reported in the Linux Kernel. A local user can obtain information from kernel memory.

The snd_seq_oss_synth_make_info() function does not validate the user-supplied device number before returning information to the calling user. A local user may be able to obtain information from kernel memory.

Tobias Klein reported this vulnerability.

Impact:   A local user can obtain information from kernel memory.
Solution:   The vendor has issued a fix (2.6.27-rc2).

A source code fix is available at:

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=82e68f7ffec3800425f2391c8c86277606860442

The vendor's advisory is available at:

http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.27-rc2

Vendor URL:  www.kernel.org/ (Links to External Site)
Cause:   Access control error

Message History:   This archive entry has one or more follow-up message(s) listed below.
Sep 24 2008 (Red Hat Issues Fix) Linux Kernel snd_seq_oss_synth_make_info() Discloses Kernel Memory Information to Local Users
Red Hat has released a fix for Red Hat Enterprise Linux 5.
Oct 8 2008 (Red Hat Issues Fix) Linux Kernel snd_seq_oss_synth_make_info() Discloses Kernel Memory Information to Local Users
Red Hat has released a fix for Red Hat Enterprise MRG.
Nov 19 2008 (Red Hat Issues Fix) Linux Kernel snd_seq_oss_synth_make_info() Discloses Kernel Memory Information to Local Users
Red Hat has released a fix for Red Hat Enterprise Linux 4.



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