Ubuntu Security Notice 2544-1 – Eric Windisch discovered flaw in how the Linux kernel’s XFS file system replaces remote attributes. A local access with access to an XFS file system could exploit this flaw to escalate their privileges. A flaw was discovered in the automatic loading of modules in the crypto subsystem of the Linux kernel. A local user could exploit this flaw to load installed kernel modules, increasing the attack surface and potentially using this to gain administrative privileges. Various other issues were also addressed.