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-2022-33986

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-2022-30774

CVE-2022-30774 describes a TOCTOU vulnerability in the parameter buffer used by the PnpSmm driver, enabling DMA to modify contents after parameter values are checked but before use. Documented for Siemens RuggedCom APE1808 products with InsydeH2O UEFI firmware, the CVSS base score is 6.4 (AV:L/AC...

CVE-2022-33905

CVE-2022-33905 describes a TOCTOU vulnerability in the AhciBusDxe driver’s SMI input buffers, where DMA targeting those buffers could cause SMRAM corruption. The issue, attributed to Insyde engineering with Intel’s iSTARE context, is fixed in Linux kernels: 5.2 (05.27.23), 5.3 (05.36.23), 5.4 (05...

CVE-2022-33907

CVE-2022-33907 describes a TOCTOU vulnerability in the SMI handler input buffers of the InsydeH2O IdeBusDxe driver. DMA accesses targeting these buffers could lead to SMRAM corruption. The issue is recorded with a base CVSSv3.1 base score of 6.4 (LOCAL, HIGH complexity, HIGH privileges required) ...

CVE-2022-31243

CVE-2022-31243 describes a TOCTOU race condition affecting the FvbServicesRuntimeDxe driver, where DMA transactions targeting input buffers used by the software SMI handler could cause SMRAM corruption. The issue is part of a broader family of TOCTOU vulnerabilities (multiple CVEs) related to 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-2022-33909

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...

CVE-2022-33985

The CVE-2022-33985 issue affects the NvmExpressDxe driver’s SMI input buffers. It enables a TOCTOU vulnerability that can lead to SMRAM corruption via DMA targeted at the SMI handler input buffers. The problem is fixed in kernel updates: 5.2 (05.27.25), 5.3 (05.36.25), 5.4 (05.44.25), and 5.5 (05...

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-2022-33986

DMA attacks on the parameter buffer used by the VariableRuntimeDxe software SMI handler could lead to a TOCTOU attack. DMA attacks on the parameter buffer used by the software SMI handler used by the driver VariableRuntimeDxe could lead to a TOCTOU attack on the SMI handler and lead to corruption...

QEMU: fdc: heap buffer overflow in DMA read data transfers

A heap buffer overflow was found in the floppy disk emulator of QEMU. It could occur in fdctrltransferhandler in hw/block/fdc.c while processing DMA read data transfers from the floppy drive to the guest system. A privileged guest user could use this flaw to crash the QEMU process on the host...

kernel: swiotlb information leak with DMA_FROM_DEVICE

A memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMAFROMDEVICE. This flaw allows a local user to read random memory from the kernel space...

Multiple race conditions due to TOCTOU flaws in various UEFI Implementations

Overview Multiple Unified Extensible Firmware Interface UEFI implementations are vulnerable to code execution in System Management Mode SMM by an attacker who gains administrative privileges on the local machine. An attacker can corrupt the memory using Direct Memory Access DMA timing attacks tha...

kernel: iavf: Fix adminq error handling

In the Linux kernel, the following vulnerability has been resolved: iavf: Fix adminq error handling iavfallocasqbufs/iavfallocarqbufs allocates with dmaalloccoherent memory for VF mailbox. Free DMA regions for both ASQ and ARQ in case error happens during configuration of ASQ/ARQ registers. Witho...

kernel security, bug fix, and enhancement update

An update is available for kernel. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

PT-2025-25981 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved, related to the iavf driver's adminq error handling. The issue involves the allocation of DMA coherent memory for VF mailbox using...

Unbreakable Enterprise kernel security update

5.15.0-3.60.5.1 - fs: remove nollseek Jason A. Donenfeld Orabug: 34721465 - vfio: do not set FMODELSEEK flag Jason A. Donenfeld Orabug: 34721465 - dma-buf: remove useless FMODELSEEK flag Jason A. Donenfeld Orabug: 34721465 - fs: do not compare against -llseek Jason A. Donenfeld Orabug: 34721465 -...

OESA-2022-1997 qemu security update

QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed. QEMU has two operating modes: Full system emulation. In this mode, QEMU emulates a full system for example a PC, including one or several processors and various peripherals. It can be used to launch...

EulerOS Virtualization 3.0.6.6 : qemu (EulerOS-SA-2022-2533)

According to the versions of the qemu packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - The ahcicommitbuf function in ide/ahci.c in QEMU allows attackers to cause a denial of service NULL dereference when the command...