Arbitrary Code Execution Vulnerability in pit_ioport_read in Linux Kernel and QEMU

CVE-2015-3214 · MEDIUM Severity

AV:L/AC:M/AU:N/C:C/I:C/A:C

The pit_ioport_read in i8254.c in the Linux kernel before 2.6.33 and QEMU before 2.3.1 does not distinguish between read lengths and write lengths, which might allow guest OS users to execute arbitrary code on the host OS by triggering use of an invalid index.

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