kernel-2.6.18-348.5.AXS3

The kernel package contains the Linux kernel (vmlinuz), the core of any Linux operating system. The kernel handles the basic functions of the operating system: memory allocation, process allocation, device input and output, etc.

Security issues fixed with this release:

• CVE-2013-0153
The AMD IOMMU support in Xen 4.2.x, 4.1.x, 3.3, and other versions, when using AMD-Vi for PCI passthrough, uses the same interrupt remapping table for the host and all guests, which allows guests to cause a denial of service by injecting an interrupt into other guests.

Fixed bugs:

• Fixed NFSv4 clients returning the "-ENOTDIR" error when a process is opening a file over NFSv4

• Previously, the xdr routines in NFSv2 and NFSv3 conditionally updated the res->count variable. After a short NFS read() call, read retry attempts could fail to update the res->count variable and truncated read data were returned. This has been fixed, the res->count variableis udpated unconditionally.

• Previously, the IPMI driver used two different locks for an IPMI request. If two IPMI clients sent their requests simultaneously, each request could receive one of the lock and wait for the second lock to become available. This led to a deadlock situation and the system became unresponsive. This has been fixed.

• Fixed the locking around the cl_state_owners list which could cause th NFSv4 client to become unresponsive.