Fiche vulnérabilité
CVE-2022-32475 : faille élevée insyde insydeh2o (CVSS 7.0)
Description
An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the VariableRuntimeDxe shared buffer used by SMM and non-SMM code could cause TOCTOU race-condition issues that could lead to corruption of SMRAM and escalation of privileges. This issue was fixed in the kernel, which also protected chipset and OEM chipset code.
En bref
- Sévérité
- Élevée (CVSS 7.0)
- Vecteur CVSS
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Exploitation active
- Non signalée par la CISA
- Publication
- 15 févr. 2023
- Dernière mise à jour
- 17 juin 2026
Produits concernés
- insyde insydeh2o