Description

The shmem_getpage function (mm/shmem.c) in Linux kernel 2.6.11 through 2.6.23 does not properly clear allocated memory in some rare circumstances related to tmpfs, which might allow local users to read sensitive kernel data or cause a denial of service (crash).

References

http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00002.html

http://marc.info/?l=linux-kernel&m=119627664702379&w=2

http://marc.info/?l=linux-kernel&m=119743651829347&w=2

http://marc.info/?l=linux-kernel&m=119769771026243&w=2

http://osvdb.org/44120

http://secunia.com/advisories/28141

http://secunia.com/advisories/28706

http://secunia.com/advisories/28806

http://secunia.com/advisories/28971

http://secunia.com/advisories/32023

http://www.debian.org/security/2007/dsa-1436

http://www.mandriva.com/security/advisories?name=MDVSA-2008:086

http://www.mandriva.com/security/advisories?name=MDVSA-2008:112

http://www.redhat.com/support/errata/RHSA-2008-0885.html

http://www.securityfocus.com/bid/27694

http://www.ubuntu.com/usn/usn-574-1

http://www.ubuntu.com/usn/usn-578-1

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8920

Details

Risk Information

CVSS v2