CVE-2021-45971
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
An issue was discovered in SdHostDriver in Insyde InsydeH2O with kernel 5.1 before 05.16.25, 5.2 before 05.26.25, 5.3 before 05.35.25, 5.4 before 05.43.25, and 5.5 before 05.51.25. A vulnerability exists in the SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer (CommBufferData).
Se ha detectado un problema en SdHostDriver en Insyde InsydeH2O con el kernel 5.1 anteriores a 05.16.25, 5.2 anteriores a 05.26.25, 5.3 anteriores a 05.35.25, 5.4 anteriores a 05.43.25 y 5.5 anteriores a 05.51.25. Se presenta una vulnerabilidad en la rama SMM (System Management Mode) que registra un manejador SWSMI que no comprueba ni valida suficientemente el puntero del búfer asignado (CommBufferData).
CVSS Scores
SSVC
- Decision:-
Timeline
- 2022-01-01 CVE Reserved
- 2022-01-05 CVE Published
- 2023-07-29 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-787: Out-of-bounds Write
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf | Third Party Advisory |
|
| https://security.netapp.com/advisory/ntap-20220216-0004 | Third Party Advisory |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.insyde.com/security-pledge | 2022-03-29 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Insyde Search vendor "Insyde" | Insydeh2o Search vendor "Insyde" for product "Insydeh2o" | >= 5.1 < 5.16.25 Search vendor "Insyde" for product "Insydeh2o" and version " >= 5.1 < 5.16.25" | - |
Affected
| ||||||
| Insyde Search vendor "Insyde" | Insydeh2o Search vendor "Insyde" for product "Insydeh2o" | >= 5.2 < 5.26.25 Search vendor "Insyde" for product "Insydeh2o" and version " >= 5.2 < 5.26.25" | - |
Affected
| ||||||
| Insyde Search vendor "Insyde" | Insydeh2o Search vendor "Insyde" for product "Insydeh2o" | >= 5.3 < 5.35.25 Search vendor "Insyde" for product "Insydeh2o" and version " >= 5.3 < 5.35.25" | - |
Affected
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| Insyde Search vendor "Insyde" | Insydeh2o Search vendor "Insyde" for product "Insydeh2o" | >= 5.4 < 5.43.25 Search vendor "Insyde" for product "Insydeh2o" and version " >= 5.4 < 5.43.25" | - |
Affected
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| Insyde Search vendor "Insyde" | Insydeh2o Search vendor "Insyde" for product "Insydeh2o" | >= 5.5 < 05.51.25 Search vendor "Insyde" for product "Insydeh2o" and version " >= 5.5 < 05.51.25" | - |
Affected
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