cbcvebase.
CVE-2025-21815
published 2025-02-27

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…

PriorityP426high7.1CVSS 3.1
AVLACLPRLUINSUCHINAH
EPSS
0.19%
8.9th percentile
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

10 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 6.12.15-1 (forky)linux 6.12.15-1 (forky)
linuxlinux
linuxlinux>= 3da0272a4c7d0d37b47b28e87014f421296fc2be < 4491159774d973a9e2e998d25d8fbb20fada6dfa4491159774d973a9e2e998d25d8fbb20fada6dfa
linuxlinux>= 3da0272a4c7d0d37b47b28e87014f421296fc2be < 10b7d3eb535098ccd4c82a182a33655d8a0e5c8810b7d3eb535098ccd4c82a182a33655d8a0e5c88
linuxlinux>= 3da0272a4c7d0d37b47b28e87014f421296fc2be < d1366e74342e75555af2648a2964deb2d5c92200d1366e74342e75555af2648a2964deb2d5c92200
linuxlinux_kernel>= 0 < 6.12.15-16.12.15-1
linuxlinux_kernel>= 0 < 6.12.15-16.12.15-1
linuxlinux_kernel>= 0 < 6.8.0-64.676.8.0-64.67
linuxlinux_kernel>= 6.13 < 6.13.36.13.3
linuxlinux_kernel>= 6.7 < 6.12.146.12.14

CVSS provenance

nvdv3.17.1HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
osv7.8HIGH
vendor_ubuntu7.8HIGH
vendor_debian7.1LOW
vendor_redhat7.1HIGH
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