CVE-2019-19083

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CVE-2019-19083

Summary:

Details: Memory leaks in *clock_source_create() functions under drivers/gpu/drm/amd/display/dc in the Linux kernel before 5.3.8 allow attackers to cause a denial of service (memory consumption). This affects the dce112_clock_source_create() function in drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c, the dce100_clock_source_create() function in drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c, the dcn10_clock_source_create() function in drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c, the dcn20_clock_source_create() function in drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c, the dce120_clock_source_create() function in drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c, the dce110_clock_source_create() function in drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c, and the dce80_clock_source_create() function in drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c, aka CID-055e547478a1.

References: http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html, https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.8, https://security.netapp.com/advisory/ntap-20191205-0001/, https://usn.ubuntu.com/4208-1/, https://usn.ubuntu.com/4226-1/, https://usn.ubuntu.com/4227-1/, https://usn.ubuntu.com/4227-2/, https://github.com/torvalds/linux/commit/055e547478a11a6360c7ce05e2afc3e366968a12