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CVE-2024-46716

Disclosure Date: September 18, 2024
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Description

In the Linux kernel, the following vulnerability has been resolved:

dmaengine: altera-msgdma: properly free descriptor in msgdma_free_descriptor

Remove list_del call in msgdma_chan_desc_cleanup, this should be the role
of msgdma_free_descriptor. In consequence replace list_add_tail with
list_move_tail in msgdma_free_descriptor.

This fixes the path:
msgdma_free_chan_resources –> msgdma_free_descriptors –>
msgdma_free_desc_list –> msgdma_free_descriptor

which does not correctly free the descriptors as first nodes were not
removed from the list.

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CVSS V3 Severity and Metrics
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General Information

Vendors

  • Linux

Products

  • Linux
Technical Analysis