CVE-2025-21815 | BDVDB-2026-268552 Detail

Description#

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.

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History#

1. Version 12025-02-27Record published in the CVE List.
2. Version 22026-05-11Most recent update recorded in the CVE List.