Design/Logic Flaw

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

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-2022-30771

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:...

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...

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-2022-29276

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-2022-29278

The CVE-2022-29278 entry involves the NvmExpressDxe driver with incorrect pointer checks that can allow tampering with SMRAM and OS memory. This vulnerability is documented across multiple security trackers (e.g., Insyde InsydeH2O BIOS context) and is tied to specific fixed kernel versions: 5.1 -...

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-2022-33982

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...

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...

GSD-2022-1007195 nvme-hwmon: kmalloc the NVME SMART log buffer

nvme-hwmon: kmalloc the NVME SMART log buffer This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.152 by commit...

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-2022-33906

TOCTOU vulnerability CVE-2022-33906 affects the input buffers used by the FwBlockServiceSmm software SMI handler in InsydeH2O UEFI firmware. DMA to these buffers can race with checks, potentially causing SMRAM corruption. Documented instances reference Siemens RuggedCom APE1808 platforms with Ins...

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-2022-33985

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-2022-33908

DMA transactions which are targeted at input buffers used for the SdHostDriver 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 SdHostDriver driver could cause SMRAM...