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Medium severity5.5NVD Advisory· Published Jun 18, 2025· Updated Jun 17, 2026

CVE-2025-38080

CVE-2025-38080

Description

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

drm/amd/display: Increase block_sequence array size

[Why] It's possible to generate more than 50 steps in hwss_build_fast_sequence, for example with a 6-pipe asic where all pipes are in one MPC chain. This overflows the block_sequence buffer and corrupts block_sequence_steps, causing a crash.

[How] Expand block_sequence to 100 items. A naive upper bound on the possible number of steps for a 6-pipe asic, ignoring the potential for steps to be mutually exclusive, is 91 with current code, therefore 100 is sufficient.

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Affected products

80

Patches

Vulnerability mechanics

References

4

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