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SUSE: CVE-2020-15209: SUSE Linux Security Advisory

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SUSE: CVE-2020-15209: SUSE Linux Security Advisory

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
09/25/2020
Created
06/28/2021
Added
06/25/2021
Modified
10/22/2021

Description

In tensorflow-lite before versions 1.15.4, 2.0.3, 2.1.2, 2.2.1 and 2.3.1, a crafted TFLite model can force a node to have as input a tensor backed by a `nullptr` buffer. This can be achieved by changing a buffer index in the flatbuffer serialization to convert a read-only tensor to a read-write one. The runtime assumes that these buffers are written to before a possible read, hence they are initialized with `nullptr`. However, by changing the buffer index for a tensor and implicitly converting that tensor to be a read-write one, as there is nothing in the model that writes to it, we get a null pointer dereference. The issue is patched in commit 0b5662bc, and is released in TensorFlow versions 1.15.4, 2.0.3, 2.1.2, 2.2.1, or 2.3.1.

Solution(s)

  • suse-upgrade-libtensorflow2
  • suse-upgrade-libtensorflow2-gnu-hpc
  • suse-upgrade-libtensorflow2-gnu-openmpi2-hpc
  • suse-upgrade-libtensorflow_cc2
  • suse-upgrade-libtensorflow_cc2-gnu-hpc
  • suse-upgrade-libtensorflow_cc2-gnu-openmpi2-hpc
  • suse-upgrade-libtensorflow_framework2
  • suse-upgrade-libtensorflow_framework2-gnu-hpc
  • suse-upgrade-libtensorflow_framework2-gnu-openmpi2-hpc
  • suse-upgrade-tensorflow2
  • suse-upgrade-tensorflow2-devel
  • suse-upgrade-tensorflow2-doc
  • suse-upgrade-tensorflow2-gnu-hpc
  • suse-upgrade-tensorflow2-gnu-openmpi2-hpc
  • suse-upgrade-tensorflow2-lite
  • suse-upgrade-tensorflow2-lite-devel
  • suse-upgrade-tensorflow2_2_1_2-gnu-hpc
  • suse-upgrade-tensorflow2_2_1_2-gnu-hpc-devel
  • suse-upgrade-tensorflow2_2_1_2-gnu-hpc-doc
  • suse-upgrade-tensorflow2_2_1_2-gnu-openmpi2-hpc
  • suse-upgrade-tensorflow2_2_1_2-gnu-openmpi2-hpc-devel
  • suse-upgrade-tensorflow2_2_1_2-gnu-openmpi2-hpc-doc

References

  • CVE-2020-15209

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