CVE-2013-4511

Múltiples desbordamientos de enteros en drivers frame-buffer en Alchemy LCD del kernel de Linux anterior a la versión 3.12 permite a usuarios locales crear y leer-escribir asignación de memoria para la totalidad de memoria del kernel, y consecuentemente obtener privilegios a través de operaciones manipuladas mmap, relacionadas con (1) au1100fb_fb_mmap function en drivers/video/au1100fb.c y (2) au1200fb_fb_mmap function en drivers/video/au1200fb.c.

Multiple vulnerabilities has been found and corrected in the Linux kernel. The Linux kernel before 3.12.2 does not properly use the get_dumpable function, which allows local users to bypass intended ptrace restrictions or obtain sensitive information from IA64 scratch registers via a crafted application, related to kernel/ptrace.c and arch/ia64/include/asm/processor.h. The perf_trace_event_perm function in kernel/trace/trace_event_perf.c in the Linux kernel before 3.12.2 does not properly restrict access to the perf subsystem, which allows local users to enable function tracing via a crafted application. Various other issues have also been addressed.