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CVE-2025-38080

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CVE-2025-38080

Published: Jun 18, 2025

Modified: May 11, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c - < de67e80ab48f1f23663831007a2fa3c1471a7757
affected
4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c - < e55c5704b12eeea27e212bfab8f7e51ad3e8ac1f
affected
4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c - < bf1666072e7482317cf2302621766482a21a62c7
affected
4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c - < 3a7810c212bcf2f722671dadf4b23ff70a7d23ee

Linux

Linux

affected
4.15
unaffected
0 - < 4.15
unaffected
6.6.93 - <= 6.6.*
unaffected
6.12.31 - <= 6.12.*
unaffected
6.14.9 - <= 6.14.*

+1 more versions

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