Integer overflows in Xen's xc_dom_bzimageloader.c leading to denial of service and potential code execution

CVE-2011-1583 · MEDIUM Severity

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

Multiple integer overflows in tools/libxc/xc_dom_bzimageloader.c in Xen 3.2, 3.3, 4.0, and 4.1 allow local users to cause a denial of service and possibly execute arbitrary code via a crafted paravirtualised guest kernel image that triggers (1) a buffer overflow during a decompression loop or (2) an out-of-bounds read in the loader involving unspecified length fields.

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