Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2025-21815

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 8.5%
CVSS Severity
CVSS v3 Score 7.1
Products affected by CVE-2025-21815


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