CVE-2022-30283

The CVE-2022-30283 issue affects UsbCoreDxe where DMA-tampering of the USB working buffer during certain USB transactions can trigger a TOCTOU race, allowing potential SMRAM corruption and privilege escalation. The root cause is that the SMM code sanitizes pointers to the working buffer but may p...

CVE-2022-29276

CVE-2022-29276 affects the AhciBusDxe SMI handling, where untrusted inputs can lead to SMRAM corruption. The issue is documented across multiple sources (NVD, Red Hat, PRION/PTSecurity entries) and is tied to the AhciBusDxe component prior to specific kernel revisions. Reported root cause: SMI fu...

CVE-2022-29275

In UsbCoreDxe, untrusted input may allow SMRAM or OS memory tampering Use of untrusted pointers could allow OS or SMRAM memory tampering leading to escalation of privileges. This issue was discovered by Insyde during security review. It was fixed in: Kernel 5.0: version 05.09.21 Kernel 5.1: versi...

CVE-2022-29276

SMI functions in AhciBusDxe use untrusted inputs leading to corruption of SMRAM. SMI functions in AhciBusDxe use untrusted inputs leading to corruption of SMRAM. This issue was discovered by Insyde during security review. It was fixed in: Kernel 5.0: version 05.09.18 Kernel 5.1: version 05.17.18...

CVE-2022-30771

Initialization function in PnpSmm could lead to SMRAM corruption when using subsequent PNP SMI functions Initialization function in PnpSmm could lead to SMRAM corruption when using subsequent PNP SMI functions. This issue was discovered by Insyde engineering during a security review. Fixed in:...

PT-2022-20306 · Insyde · Kernel

Name of the Vulnerable Software and Affected Versions: Kernel 5.0 versions prior to 05.09.41 Kernel 5.1 versions prior to 05.17.43 Kernel 5.2 versions prior to 05.27.30 Kernel 5.3 versions prior to 05.36.30 Kernel 5.4 versions prior to 05.44.30 Kernel 5.5 versions prior to 05.52.30 Description:...

CVE-2022-33982

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...

Design/Logic Flaw

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...

Hardcoded credentials

DMA transactions which are targeted at input buffers used for the software SMI handler used by the IdeBusDxe driver could cause SMRAM corruption through a TOCTOU attack... DMA transactions which are targeted at input buffers used for the software SMI handler used by the IdeBusDxe driver could cau...

CVE-2022-30773

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. DMA attacks on the parameter buffer used by the IhisiSmm driver could change the contents after parameter values have been...

CVE-2022-32266

DMA attacks on the parameter buffer used by a software SMI handler used by the driver PcdSmmDxe could lead to a TOCTOU attack on the SMI handler and lead to corruption of other ACPI fields and adjacent memory fields. DMA attacks on the parameter buffer used by a software SMI handler used by the...

CVE-2022-32266

The connected records provide concrete details for CVE-2022-32266 affecting Insyde InsydeH2O. The vulnerability arises from DMA attacks against the parameter buffer used by the PcdSmmDxe software SMI handler, enabling a TOCTOU race condition that can corrupt other ACPI fields and adjacent memory....

CVE-2022-33985

DMA transactions which are targeted at input buffers used for the NvmExpressDxe software SMI handler could cause SMRAM corruption through a TOCTOU attack. DMA transactions which are targeted at input buffers used for the software SMI handler used by the NvmExpressDxe driver could cause SMRAM...

CVE-2022-30773

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. DMA attacks on the parameter buffer used by the IhisiSmm driver could change the contents after parameter values have been...

CVE-2022-32267

CVE-2022-32267 concerns DMA targeting input buffers used by the SmmResourceCheckDxe SMI handler in InsydeH2O UEFI firmware, leading to SMRAM corruption via a TOCTOU vulnerability. The issue, discovered by Insyde engineering, is mitigated by kernel updates: Kernel 5.2 (05.27.23), 5.3 (05.36.23), 5...

CVE-2022-33983

CVE-2022-33983 describes a TOCTOU DMA attack affecting the NvmExpressLegacy SMI handler used by the NvmExpressLegacy driver, potentially enabling SMRAM corruption. The issue is triggered by DMA transactions targeting input buffers for the software SMI handler, with the root cause tied to TOCTOU c...

CVE-2022-33984

The CVE-2022-33984 entry describes a TOCTOU DMA vulnerability affecting the SdMmcDevice SMI handler that can corrupt SMRAM. Connected sources expand to multiple TOCTOU flaws in Insyde-managed firmware (various SMI handlers such as SdHostDriver, FvbServicesRuntimeDxe, IdeBusDxe) with CVEs 2022-307...

CVE-2022-33908

CVE-2022-33908 affects the SdHostDriver SMI handler: DMA targeted at input buffers can cause SMRAM corruption via a TOCTOU race condition. The issue is caused by TOCTOU in DMA handling of the SdHostDriver software SMI input buffers. Affected software/hardware is described in the Siemens/Insyde ma...

CVE-2022-33986

CVE-2022-33986 concerns DMA attacks on the parameter buffer used by the InsydeH2O/VariableRuntimeDxe SMI handler, potentially enabling a TOCTOU attack and SMRAM corruption. Public sources specify the vulnerable component as the VariableRuntimeDxe driver’s SMI handler parameter buffer, with exploi...

CVE-2022-33909

CVE-2022-33909 is a TOCTOU-related DMA vulnerability affecting the HddPassword SMI handler in InsydeH2O firmware. The issue arises from DMA transactions targeting input buffers used by the software SMI handler, potentially allowing SMRAM corruption. Public documentation confirms a fix was applied...