Fiche vulnérabilité
CVE-2022-33905 : faille élevée insyde kernel (CVSS 7.0)
Description
DMA transactions which are targeted at input buffers used for the AhciBusDxe software SMI handler could cause SMRAM corruption (a TOCTOU attack). DMA transactions which are targeted at input buffers used for the software SMI handler used by the AhciBusDxe driver could cause SMRAM corruption through a TOCTOU attack. This issue was discovered by Insyde engineering based on the general description provided by Intel's iSTARE group, Fixed in kernel 5.2: 05.27.23, kernel 5.3: 05.36.23, kernel 5.4: 05.44.23, kernel 5.5: 05.52.23 https://www.insyde.com/security-pledge/SA-2022047
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 nov. 2022
- Dernière mise à jour
- 17 juin 2026
Produits concernés
- insyde kernel