cvedb.io
CVE-2021-4460
HIGH · CVSS 7.1
EPSS exploitation probability: 5%
Published 2025-10-01T12:15:31.850 · Last modified 2026-08-11T03:17:33.890

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix UBSAN shift-out-of-bounds warning If get_num_sdma_queues or get_num_xgmi_sdma_queues is 0, we end up doing a shift operation where the number of bits shifted equals number of bits in the operand. This behaviour is undefined. Set num_sdma_queues or num_xgmi_sdma_queues to ULLONG_MAX, if the count is >= number of bits in the operand. Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1472

Affected products

linux — linux_kernel

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References

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