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authorAdam Jackson <ajax@redhat.com>2014-11-10 12:13:37 -0500
committerMike Gabriel <mike.gabriel@das-netzwerkteam.de>2015-02-14 16:14:32 +0100
commitcdf0c3e65670c797a4fd0617d44d2bdff4011815 (patch)
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parent5c43bb2484414b37115dac56dc76f1ecf4c05837 (diff)
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glx: Be more strict about rejecting invalid image sizes [CVE-2014-8093 2/6]
Before this we'd just clamp the image size to 0, which was just hideously stupid; if the parameters were such that they'd overflow an integer, you'd allocate a small buffer, then pass huge values into (say) ReadPixels, and now you're scribbling over arbitrary server memory. v2: backport to nx-libs 3.6.x (Mike DePaulo) Reviewed-by: Keith Packard <keithp@keithp.com> Reviewed-by: Julien Cristau <jcristau@debian.org> Reviewed-by: Michal Srb <msrb@suse.com> Reviewed-by: Andy Ritger <aritger@nvidia.com> Signed-off-by: Adam Jackson <ajax@redhat.com> Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Signed-off-by: Fedora X Ninjas <x@fedoraproject.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
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