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CVE-2007-4571

Published: 26 September 2007

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.

Priority

Low

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
hardy Not vulnerable

upstream
Released (2.6.22.8)
linux-source-2.6.15
Launchpad, Ubuntu, Debian
dapper
Released (2.6.15-52.67)
upstream Needs triage

linux-source-2.6.17
Launchpad, Ubuntu, Debian
edgy Ignored
(EOL)
upstream Needs triage

linux-source-2.6.20
Launchpad, Ubuntu, Debian
feisty
Released (2.6.20-17.36)
upstream Needs triage

linux-source-2.6.22
Launchpad, Ubuntu, Debian
gutsy
Released (2.6.22-12.39)
upstream Needs triage