CVE-2025-21815

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Source
https://cve.org/CVERecord?id=CVE-2025-21815
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21815.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-21815
Downstream
Related
Published
2025-02-27T20:04:14.733Z
Modified
2026-05-15T11:54:08.887639726Z
Summary
mm/compaction: fix UBSAN shift-out-of-bounds warning
Details

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 isolatefreepagesblock(). The bogus compoundorder can be any value because it is union with flags. Add back the MAXPAGE_ORDER check to fix the warning.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21815.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.12.14
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.13.3

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21815.json"