AI Threat Alert
CVE-2021-41840
AWAITING NVDAn 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...
Full CISO analysis pending enrichment.
What systems are affected?
| Package | Ecosystem | Vulnerable Range | Patched |
|---|---|---|---|
| n/a | — | — | No patch |
Do you use n/a? You're affected.
How severe is it?
What should I do?
No patch available
Monitor for updates. Consider compensating controls or temporary mitigations.
Which compliance frameworks are affected?
Compliance analysis pending. Sign in for full compliance mapping when available.
Frequently Asked Questions
What is CVE-2021-41840?
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.
Is CVE-2021-41840 actively exploited?
No confirmed active exploitation of CVE-2021-41840 has been reported, but organizations should still patch proactively.
How to fix CVE-2021-41840?
No patch is currently available. Monitor vendor advisories for updates.
What is the CVSS score for CVE-2021-41840?
No CVSS score has been assigned yet.
What are the technical details?
Original Advisory
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.
References
- cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf x_refsource_CONFIRM
- security.netapp.com/advisory/ntap-20220217-0014/ x_refsource_CONFIRM
- insyde.com/security-pledge x_refsource_MISC
- insyde.com/security-pledge/SA-2022018 x_refsource_MISC