CVE-2026-72169
Unknown
Description
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().
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedAug 15, 2026
First seenAug 15, 2026
How to fix
Update
- Linux Linuxb8271be34bce151597da5b5179e0648c281322a4, 9fefab759f59bf891bef7be15aee4bc7caec7ec3, 0e39380a7316122e1b00012b3f3cd3e318b3e7d3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 3dc92c311498c4d307cfdd0c6c3ac9355b50f683 ≤ v < b8271be34bce151597da5b5179e0648c281322a4, 3dc92c311498c4d307cfdd0c6c3ac9355b50f683 ≤ v < 9fefab759f59bf891bef7be15aee4bc7caec7ec3, 3dc92c311498c4d307cfdd0c6c3ac9355b50f683 ≤ v < 0e39380a7316122e1b00012b3f3cd3e318b3e7d3, 6.16 | b8271be34bce151597da5b5179e0648c281322a4, 9fefab759f59bf891bef7be15aee4bc7caec7ec3, 0e39380a7316122e1b00012b3f3cd3e318b3e7d3 |
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