CVE-2025-21815
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2025
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
mm/compaction: fix UBSAN shift-out-of-bounds warning
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.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 3da0272a4c7d0d37b47b28e87014f421296fc2be | affected | git | 4491159774d973a9e2e998d25d8fbb20fada6dfa | Unavailable | None listed |
| 3da0272a4c7d0d37b47b28e87014f421296fc2be | affected | git | 10b7d3eb535098ccd4c82a182a33655d8a0e5c88 | Unavailable | None listed |
| 3da0272a4c7d0d37b47b28e87014f421296fc2be | affected | git | d1366e74342e75555af2648a2964deb2d5c92200 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 6.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 6.7 | Unavailable | None listed |
| 6.12.14 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.13.3 | unaffected | semver | Unavailable | 6.13.* | None listed |
| 6.14 | unaffected | original_commit_for_fix | Unavailable | * | None listed |