CVE-2014-0146: Null Pointer Dereference

First published: Wed Mar 19 2014(Updated: )

Qemu block driver for the QCOW version 2 format is vulnerable to a NULL pointer dereference flaw. It could occur in case of an error in reading a qcow2 image file, after the 'snapshot_offset' &amp; 'nb_snapshots' fields have been initialised. An user able to alter the Qemu disk image could use this flaw to crash the Qemu instance resulting in Dos. Upstream fix: ------------- qcow2: Fix NULL dereference in qcow2_open() error path -&gt; <a href="http://git.qemu.org/?p=qemu.git;a=commit;h=11b128f4062dd7f89b14abc8877ff20d41b28be9">http://git.qemu.org/?p=qemu.git;a=commit;h=11b128f4062dd7f89b14abc8877ff20d41b28be9</a>

Credit: secalert@redhat.com

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