Insyde's Security Pledge
Insyde Security Advisory 2022046
Insyde ID | Advisory Category | Impact of Vulnerability | Severity Rating | Original Date | Last Revised |
INSYDE-SA-2022046 | Software | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H | 4.4 | 11/08/2022 | 11/08/2022 |
Summary:
DMA transactions which are targeted at input buffers used for the SmmResourceCheckDxe software SMI handler cause SMRAM corruption (a TOCTOU attack)
Vulnerability Details
DMA transactions which are targeted at input buffers used for the software SMI handler used by the SmmResourceCheckDxe driver could cause SMRAM corruption through a TOCTOU attack... This issue was discovered by Insyde engineering. Fixed in kernel:
Kernel 5.2: 05.27.23
Kernel 5.3: 05.36.23
Kernel 5.4: 05.44.23
Kernel 5.5: 05.52.23
CWE-20
Revision History:
Revision | Date | Description |
1.0 | 11/08/2022 | Initial Release |
- | - | - |