An issue was discovered in AhciBusDxe in Insyde InsydeH2O with kernel 5.0 before 05.08.41, 5.1 before 05.16.29, 5.2 before 05.26.29, 5.3 before 05.35.29, 5.4 before 05.43.29, and 5.5 before 05.51.29. An SMM callout vulnerability allows an attacker to hijack the execution flow of code running in System Management Mode. Exploiting this issue could lead to escalating privileges to SMM.
Se ha detectado un problema en AhciBusDxe en InsydeH2O con el kernel versión 5.0 anteriores a 05.08.41, versiones 5.1 anteriores a 05.16.29, versiones 5.2 anteriores a 05.26.29, versiones 5.3 anteriores a 05.35.29, versiones 5.4 anteriores a 05.43.29 y versiones 5.5 anteriores a 05.51.29. Una vulnerabilidad en la llamada SMM permite a un atacante secuestrar el flujo de ejecución del código que es ejecutado en el modo de administración del sistema. Una explotación de este problema podría conllevar a una escalada de privilegios al SMM
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
| Attack Vector | LOCAL |
|---|---|
| Attack Complexity | LOW |
| Privileges Required | HIGH |
| User Interaction | NONE |
| Scope | CHANGED |
| Confidentiality Impact | HIGH |
| Integrity Impact | HIGH |
| Availability Impact | HIGH |
AV:L/AC:L/Au:N/C:C/I:C/A:C
| Access Vector | LOCAL |
|---|---|
| Access Complexity | LOW |
| Authentication | NONE |
| Confidentiality Impact | COMPLETE |
| Integrity Impact | COMPLETE |
| Availability Impact | COMPLETE |
| Source | Type | Description |
|---|---|---|
| [email protected] | Primary |
en
NVD-CWE-noinfo
|
| Vendor | Product | Version | Update | Type |
|---|---|---|---|---|
| insyde | insydeh2o | * | <built-in method update of dict object at 0x72f0592d4a80> | Application |
| insyde | insydeh2o | * | <built-in method update of dict object at 0x72f080551440> | Application |
| insyde | insydeh2o | * | <built-in method update of dict object at 0x72f05a797140> | Application |
| insyde | insydeh2o | * | <built-in method update of dict object at 0x72f0781adec0> | Application |
| insyde | insydeh2o | * | <built-in method update of dict object at 0x72f05a797d00> | Application |
| insyde | insydeh2o | * | <built-in method update of dict object at 0x72f05a7956c0> | Application |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* |