CVEvulnerability
CVE-2021-41840
8.2 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-02-03
- Last modified
- 2026-08-11
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.2 HIGH — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-770
Description
An issue was discovered in NvmExpressDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O. There is an SMM callout that allows an attacker to access the System Management Mode and execute arbitrary code. This occurs because of Inclusion of Functionality from an Untrusted Control Sphere.
Affected configurations
• insyde insydeh2o (>= 5.2 < 5.23.35)
• insyde insydeh2o (>= 5.3 < 5.32.35)
• insyde insydeh2o (>= 5.4 < 5.40.35)
Related
Weakness · CWE (1)
- CWE-770 Allocation of Resources Without Limits or Throttling weakness
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220217-0014/ Third Party Advisory
- https://www.insyde.com/security-pledge Vendor Advisory
- https://www.insyde.com/security-pledge/SA-2022018 Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220217-0014/ Third Party Advisory
- https://www.insyde.com/security-pledge Vendor Advisory
- https://www.insyde.com/security-pledge/SA-2022018 Vendor Advisory
- https://www.kb.cert.org/vuls/id/796611 www.kb.cert.org
- https://cert-portal.siemens.com/productcert/html/ssa-306654.html cert-portal.siemens.com