CVE-2026-72169

In the Linux kernel, the following vulnerability has been resolved: kho: make sure scratch size is always aligned by CMA_MIN_ALIGNMENT_BYTES When using scratch_scale, the scratch sizes are rounded up to CMA_MIN_ALIGNMENT_BYTES since they will be released as MIGRATE_CMA. This is not done when using fixed scratch sizes via command line. This can result in user specifying a size which is not aligned, and thus kernel releasing a pageblock that is only partially scratch. Do the rounding up for both cases in scratch_size_update().

• https://git.kernel.org/stable/c/0e39380a7316122e1b00012b3f3cd3e318b3e7d3
• https://git.kernel.org/stable/c/9fefab759f59bf891bef7be15aee4bc7caec7ec3
• https://git.kernel.org/stable/c/b8271be34bce151597da5b5179e0648c281322a4

Published

Aug 15, 2026

Last Modified

Aug 17, 2026

Status

Received

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