The pciback_enable_msi function in the PCI backend driver (drivers/xen/pciback/conf_space_capability_msi.c) in Xen for the Linux kernel 2.6.18 and 3.8 allows guest OS users with PCI device access to cause a denial of service via a large number of kernel log messages. NOTE: some of these details are obtained from third party information.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
| Link | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2013/02/05/9 | mailing list |
| http://www.securityfocus.com/bid/57740 | vdb entry |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/81923 | vdb entry |
| http://lists.opensuse.org/opensuse-security-announce/2013-03/msg00004.html | vendor advisory |
| http://secunia.com/advisories/52059 | third party advisory vendor advisory |
| http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00018.html | vendor advisory |
| http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html | vendor advisory |
| http://www.debian.org/security/2013/dsa-2632 | vendor advisory |
| http://osvdb.org/89903 | vdb entry |