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CVE-2026-72169 (GCVE-0-2026-72169)

Vulnerability from cvelistv5 – Published: 2026-08-15 05:53 – Updated: 2026-08-17 05:09
VLAI
Title
kho: make sure scratch size is always aligned by CMA_MIN_ALIGNMENT_BYTES
Summary
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().
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 3dc92c311498c4d307cfdd0c6c3ac9355b50f683 , < b8271be34bce151597da5b5179e0648c281322a4 (git)
Affected: 3dc92c311498c4d307cfdd0c6c3ac9355b50f683 , < 9fefab759f59bf891bef7be15aee4bc7caec7ec3 (git)
Affected: 3dc92c311498c4d307cfdd0c6c3ac9355b50f683 , < 0e39380a7316122e1b00012b3f3cd3e318b3e7d3 (git)
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Linux Linux Affected: 6.16
Unaffected: 0 , < 6.16 (semver)
Unaffected: 6.18.42 , ≤ 6.18.* (semver)
Unaffected: 7.1.5 , ≤ 7.1.* (semver)
Unaffected: 7.2 , ≤ * (original_commit_for_fix)
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    "redhat_vex": {
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      "title": "kernel: kho: make sure scratch size is always aligned by CMA_MIN_ALIGNMENT_BYTES",
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}



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