kernel: ALSA returns incorrect write size
| Package(s): | kernel |
CVE #(s): | CVE-2007-4571
|
| Created: | September 28, 2007 |
Updated: | June 20, 2008 |
| 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. |
| Alerts: |
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