kernel: Buffer overflow in drivers/xen/sys-hypervisor.c

A flaw was found in the Linux kernel. A buffer overflow vulnerability exists in the Xen hypervisor driver drivers/xen/sys-hypervisor.c. This flaw occurs because the HYPERVISORxenversionXENVERbuildid function returns a build ID that is not properly null-terminated. When the buildidshow function...

CVE-2015-2045

CVE-2015-2045 affects Xen hypervisor: the HYPERVISOR_xen_version hypercall in Xen 3.2.x–4.5.x fails to properly initialize data structures, enabling local guest users to obtain sensitive information via unspecified vectors. The affected lineages are Xen 3.2.x–4.5.x with impact limited to informat...

Debian Security Advisory DSA 3181-1 (xen - security update)

Multiple security issues have been found in the Xen virtualisation solution: CVE-2015-2044 Information leak via x86 system device emulation. CVE-2015-2045 Information leak in the HYPERVISORxenversion hypercall. CVE-2015-2151 Missing input sanitising in the x86 emulator could result in information...