CVE-2009-2849 Information

Description

The md driver (drivers/md/md.c) in the Linux kernel before 2.6.30.2 might allow local users to cause a denial of service (NULL pointer dereference) via vectors related to \suspend_* sysfs attributes\ and the (1) suspend_lo_store or (2) suspend_hi_store functions. NOTE: this is only a vulnerability when sysfs is writable by an attacker.

Reference

http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.30.y.git;a=commit;h=3c92900d9a4afb176d3de335dc0da0198660a244 http://lists.vmware.com/pipermail/security-announce/2010/000082.html http://secunia.com/advisories/36501 http://secunia.com/advisories/37105 http://secunia.com/advisories/38794 http://secunia.com/advisories/38834 http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.30.2 http://www.openwall.com/lists/oss-security/2009/07/24/1 http://www.openwall.com/lists/oss-security/2009/07/26/1 http://www.securitytracker.com/id?1022961 http://www.ubuntu.com/usn/USN-852-1 http://www.vupen.com/english/advisories/2010/0528 http://xorl.wordpress.com/2009/07/21/linux-kernel-md-driver-null-pointer-dereference/ https://exchange.xforce.ibmcloud.com/vulnerabilities/52858 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A10396 https://rhn.redhat.com/errata/RHSA-2009-1540.html https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01256.html