← Database

CVE-2025-21815

HIGH CVSS: 7.1 Published: 2025-02-27 Modified: 2026-06-17

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 Platforms

Linux Linux Kernel

Weakness Type

CWE-125

References