Description
DMA attacks on the parameter buffer used by the Int15ServiceSmm software SMI handler could lead to a TOCTOU attack on the SMI handler and lead to corruption of SMRAM. DMA attacks on the parameter buffer used by the software SMI handler used by the driver Int15ServiceSmm could lead to a TOCTOU attack on the SMI handler and lead to corruption of SMRAM. This issue was discovered by Insyde engineering during a security review. This issue is fixed in Kernel 5.2: 05.27.23, Kernel 5.3: 05.36.23, Kernel 5.4: 05.44.23 and Kernel 5.5: 05.52.23 CWE-367
Advisories 3
- ICSA-23-047-08 Siemens RUGGEDCOM APE1808 CISA ICS & IT advisories · Sep 12, 2023
- SSA-450613 SSA-450613: Insyde BIOS Vulnerabilities in RUGGEDCOM APE1808 Product Family Siemens ProductCERT · Sep 12, 2023
- WID-SEC-2023-0706 Insyde UEFI Firmware: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 21, 2023