7.8
Élevée
CVE-2026-62428 When grant-copy operations are processed, the respective grant may or may not already be in use by another operation…
Description
When grant-copy operations are processed, the respective grant may or may not already be in use by another operation (a mapping or another copy). For all copy operations the referenced guest frame is looked up. When another operation is already active for the grant (the grant is "pinned"), what is being supplied back to actually carry out permission checks and copy operation may not be consistent: The permission check may be carried out on a page different from the one involved in the copy.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| xen | Versions non publiées |
Autres CVE de xen
Les 142 CVE de xen →
CVE-2026-102704
arbitrary read/write via grant copy
4.4
Moyenne
CVE-2026-102703
arbitrary read/write via grant copy
4.4
Moyenne
CVE-2026-102700
With its original introduction, GNTTAB_cache_flush was made available
uniformly
4.7
Moyenne
CVE-2026-102702
[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to…
7.5
Élevée