CVE-2007-4571

Impact:
Moderate
Public Date:
2007-09-25
Bugzilla:
288961: CVE-2007-4571 ALSA memory disclosure flaw

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2007-4571 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

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

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 4 (kernel) RHSA-2007:0939 2007-11-01
Red Hat Enterprise Linux 5 (kernel) RHSA-2007:0993 2007-11-29

Acknowledgements

Red Hat would like to credit iDefense and Neil Kettle for reporting this issue.
Last Modified

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