Vulnerability Database

299,038

Total vulnerabilities in the database

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.

  • Published: Feb 27, 2025
  • Updated: Nov 4, 2025
  • CVE: CVE-2025-21815
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.1
  • AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

CWEs:

Software From Fixed in
linux / linux_kernel 6.7 6.12.14
linux / linux_kernel 6.13 6.13.3