National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2007-4571 Detail

Description

The snd_mem_proc_read function in sound/core/memalloc.c in the Advanced Linux Sound Architecture (ALSA) in the Linux kernel before 2.6.22.8 does not return the correct write size, which allows local users to obtain sensitive information (kernel memory contents) via a small count argument, as demonstrated by multiple reads of /proc/driver/snd-page-alloc.

Source:  MITRE
Description Last Modified:  09/26/2007

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 2.1 LOW
Vector: (AV:L/AC:L/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

Vendor Statements (disclaimer)

Official Statement from Red Hat (10/18/2007)

This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 2.1 or 3.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ccec6e2c4a74adf76ed4e2478091a311b1806212
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22.8
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=600
http://support.avaya.com/elmodocs2/security/ASA-2007-474.htm
http://www.debian.org/security/2008/dsa-1479
http://www.debian.org/security/2008/dsa-1505
http://www.novell.com/linux/security/advisories/2007_53_kernel.html
http://www.redhat.com/support/errata/RHSA-2007-0939.html
http://www.redhat.com/support/errata/RHSA-2007-0993.html
http://www.securityfocus.com/bid/25807
http://www.securitytracker.com/id?1018734
http://www.ubuntu.com/usn/usn-618-1
http://www.vupen.com/english/advisories/2007/3272
https://exchange.xforce.ibmcloud.com/vulnerabilities/36780
https://issues.rpath.com/browse/RPL-1761
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9053
https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00083.html
https://www.redhat.com/archives/fedora-package-announce/2007-September/msg00436.html

References to Check Content

Identifier:
oval:org.mitre.oval:def:9053
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:9053

Technical Details

Vulnerability Type (View All)

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2007-4571
NVD Published Date:
09/26/2007
NVD Last Modified:
09/28/2017