VYPR
Unrated severityNVD Advisory· Published Feb 27, 2025· Updated May 4, 2025

mm/compaction: fix UBSAN shift-out-of-bounds warning

CVE-2025-21815

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.

Affected products

64

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

3

News mentions

0

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