The snd_seq_oss_synth_make_info function in sound/core/seq/oss/seq_oss_synth.c in the sound subsystem in the Linux kernel before 2.6.27-rc2 does not verify that the device number is within the range defined by max_synthdev before returning certain data to the caller, which allows local users to obtain sensitive information.
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=82e68f7ffec3800425f2391c8c86277606860442
kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.27-rc2
lists.opensuse.org/opensuse-security-announce/2008-10/msg00000.html
lists.opensuse.org/opensuse-security-announce/2008-10/msg00001.html
lists.opensuse.org/opensuse-security-announce/2008-10/msg00003.html
lists.opensuse.org/opensuse-security-announce/2008-10/msg00008.html
lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html
rhn.redhat.com/errata/RHSA-2008-0972.html
secunia.com/advisories/31366
secunia.com/advisories/31551
secunia.com/advisories/31614
secunia.com/advisories/31836
secunia.com/advisories/31881
secunia.com/advisories/32023
secunia.com/advisories/32103
secunia.com/advisories/32104
secunia.com/advisories/32190
secunia.com/advisories/32370
secunia.com/advisories/32759
secunia.com/advisories/32799
www.debian.org/security/2008/dsa-1630
www.debian.org/security/2008/dsa-1636
www.mandriva.com/security/advisories?name=MDVSA-2008:220
www.redhat.com/support/errata/RHSA-2008-0857.html
www.redhat.com/support/errata/RHSA-2008-0885.html
www.securityfocus.com/bid/30559
www.securitytracker.com/id?1020636
www.vupen.com/english/advisories/2008/2307
exchange.xforce.ibmcloud.com/vulnerabilities/44225
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11182
usn.ubuntu.com/637-1/