CVE-2025-39754
mm/smaps: fix race between smaps_hugetlb_range and migration
MEDIUM 4.7
En bref
- Source
- NVD
- EPSS
- EPSS 0.14 % · centile 3 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- Linux
- Statut NVD
- Modified
Description
In the Linux kernel, the following vulnerability has been resolved: mm/smaps: fix race between smaps_hugetlb_range and migration smaps_hugetlb_range() handles the pte without holdling ptl, and may be concurrenct with migration, leaing to BUG_ON in pfn_swap_entry_to_page(). The race is as follows. smaps_hugetlb_range migrate_pages huge_ptep_get remove_migration_ptes folio_unlock pfn_swap_entry_folio BUG_ON To fix it, hold ptl lock in smaps_hugetlb_range().
Faiblesses (CWE)
- CWE-362 — Situation de compétition
Références
- https://git.kernel.org/stable/c/f76089018b34dbe0c2e9b67c5b7d8860668748bb
- https://git.kernel.org/stable/c/2a1f3663974162b8f1e098196f557cfc1d160138
- https://git.kernel.org/stable/c/09fc018f48871123ad5dbd7b03c956580232ed76
- https://git.kernel.org/stable/c/b625883ccbcc2b57808db51d1375b1d7b9bcb3e5
- https://git.kernel.org/stable/c/45d19b4b6c2d422771c29b83462d84afcbb33f01
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
Références européennes
- ENISA EUVD · EUVD-2025-28957
- GCVE · GCVE-0-2025-39754
Avis du CERT-FR
- CERTFR-2026-AVI-0326 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0316 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2025-AVI-1073 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0921 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0895 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.4 < 6.12.43cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 6.13 < 6.15.11cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 6.16 < 6.16.2cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*
Produits affectés
| Produit | Versions |
|---|---|
| Linux · Linux | affected 25ee01a2fca02dfb5a3ce316e77910c468108199 < f76089018b34dbe0c2e9b67c5b7d8860668748bb ; affected 25ee01a2fca02dfb5a3ce316e77910c468108199 < 2a1f3663974162b8f1e098196f557cfc1d160138 ; affected 25ee01a2fca02dfb5a3ce316e77910c468108199 < 09fc018f48871123ad5dbd7b03c956580232ed76 ; affected 25ee01a2fca02dfb5a3ce316e77910c468108199 < b625883ccbcc2b57808db51d1375b1d7b9bcb3e5 ; affected 25ee01a2fca02dfb5a3ce316e77910c468108199 < 45d19b4b6c2d422771c29b83462d84afcbb33f01 |
| Linux · Linux | affected 4.4 ; unaffected 0 < 4.4 ; unaffected 6.6.160 ≤ 6.6.* ; unaffected 6.12.43 ≤ 6.12.* ; unaffected 6.15.11 ≤ 6.15.* ; unaffected 6.16.2 ≤ 6.16.* |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |