Insyde's Security Pledge
Insyde Security Advisory 2022042
| Insyde ID | Advisory Category | Impact of Vulnerability | Severity Rating | Original Date | Last Revised |
| INSYDE-SA-2022042 | Software | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H | 8.2 | 11/08/2022 | 11/08/2022 |
Summary:
DMA attacks on the parameter buffer used by the IhisiSmm driver could change the contents after parameter values (a TOCTOU attack).
Vulnerability Details
DMA attacks on the parameter buffer used by the IhisiSmm driver could change the contents after parameter values have been checked but before they are used (a TOCTOU attack). This issue was discovered by Insyde engineering. This issue is fixed in:
Kernel 5.4: 05.44.23
Kernel 5.5: 05.52.23
CWE-367
Revision History:
| Revision | Date | Description |
| 1.0 | 11/08/2022 | Initial Release |
| - | - | - |