CVE-2025-39754
- Source
- https://cve.org/CVERecord?id=CVE-2025-39754
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-39754.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2025-39754
- Downstream
- Related
- Published
- 2025-09-11T16:52:24.763Z
- Modified
- 2026-05-10T18:42:09.905204086Z
- Summary
- mm/smaps: fix race between smaps_hugetlb_range and migration
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
mm/smaps: fix race between smapshugetlbrange and migration
smapshugetlbrange() handles the pte without holdling ptl, and may be concurrenct with migration, leaing to BUGON in pfnswapentryto_page(). The race is as follows.
smapshugetlbrange migratepages hugeptepget removemigrationptes foliounlock pfnswapentryfolio BUGON
To fix it, hold ptl lock in smapshugetlbrange().
- Database specific
{ "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39754.json", "cna_assigner": "Linux" }- References
-
- https://git.kernel.org/stable/c/09fc018f48871123ad5dbd7b03c956580232ed76
- https://git.kernel.org/stable/c/2a1f3663974162b8f1e098196f557cfc1d160138
- https://git.kernel.org/stable/c/45d19b4b6c2d422771c29b83462d84afcbb33f01
- https://git.kernel.org/stable/c/b625883ccbcc2b57808db51d1375b1d7b9bcb3e5
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39754.json
- https://nvd.nist.gov/vuln/detail/CVE-2025-39754
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced25ee01a2fca02dfb5a3ce316e77910c468108199Fixed2a1f3663974162b8f1e098196f557cfc1d160138Fixed09fc018f48871123ad5dbd7b03c956580232ed76Fixedb625883ccbcc2b57808db51d1375b1d7b9bcb3e5Fixed45d19b4b6c2d422771c29b83462d84afcbb33f01