cvedb.io
CVE-2025-21815
HIGH · CVSS 7.1
EPSS exploitation probability: 0%
Published 2025-02-27T20:16:04.063 · Last modified 2026-06-17T08:44:21.663

Summary

In the Linux kernel, the following vulnerability has been resolved: mm/compaction: fix UBSAN shift-out-of-bounds warning syzkaller reported a UBSAN shift-out-of-bounds warning of (1UL << order) in isolate_freepages_block(). The bogus compound_order can be any value because it is union with flags. Add back the MAX_PAGE_ORDER check to fix the warning.

Affected products

linux — linux_kernel

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.