CVE-2021-3750

A DMA reentrancy issue was found in the USB EHCI controller emulation of QEMU. EHCI does not verify if the Buffer Pointer overlaps with its MMIO region when it transfers the USB packets. Crafted content may be written to the controller's registers and trigger undesirable actions such as reset whi...

GSD-2022-1001098 x86/sev: Unroll string mmio with CC_ATTR_GUEST_UNROLL_STRING_IO

x86/sev: Unroll string mmio with CCATTRGUESTUNROLLSTRINGIO 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 v5.17.2 by commit...

Design/Logic Flaw

An out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati2dblt routine while handling MMIO write operations when the guest provides invalid values for the destination display parameters. A malicious guest could use this flaw to crash the QE...

CVE-2021-3638

An out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati2dblt routine while handling MMIO write operations when the guest provides invalid values for the destination display parameters. A malicious guest could use this flaw to crash the QE...

CVE-2021-33625

An issue was discovered in Kernel 5.x in Insyde InsydeH2O, affecting HddPassword. Software SMI services that use the Communicate function of the EFISMMCOMMUNICATIONPROTOCOL do not check whether the address of the buffer is valid, which allows use of SMRAM, MMIO, or OS kernel addresses...

CVE-2021-33627

An issue was discovered in Insyde InsydeH2O Kernel 5.0 before 05.09.11, 5.1 before 05.17.11, 5.2 before 05.27.11, 5.3 before 05.36.11, 5.4 before 05.44.11, and 5.5 before 05.52.11 affecting FwBlockServiceSmm. Software SMI services that use the Communicate function of the EFISMMCOMMUNICATIONPROTOC...

Design/Logic Flaw

An issue was discovered in Kernel 5.x in Insyde InsydeH2O, affecting HddPassword. Software SMI services that use the Communicate function of the EFISMMCOMMUNICATIONPROTOCOL do not check whether the address of the buffer is valid, which allows use of SMRAM, MMIO, or OS kernel addresses...

Design/Logic Flaw

An issue was discovered in Insyde InsydeH2O 5.x, affecting FwBlockServiceSmm. Software SMI services that use the Communicate function of the EFISMMCOMMUNICATIONPROTOCOL do not check whether the address of the buffer is valid, which allows use of SMRAM, MMIO, or OS kernel addresses...

CVE-2021-33625

An issue was discovered in Kernel 5.x in Insyde InsydeH2O, affecting HddPassword. Software SMI services that use the Communicate function of the EFISMMCOMMUNICATIONPROTOCOL do not check whether the address of the buffer is valid, which allows use of SMRAM, MMIO, or OS kernel addresses...

CVE-2021-33625

Mode C: Normal (concrete details present) Vulnerability: InsydeH2O firmware (Kernel 5.x) used by HddPassword suffers an SMM/SMI buffer validation flaw. Software SMI services that use the EFI_SMM_COMMUNICATION_PROTOCOL’s Communicate() do not verify the buffer address, enabling access to SMRAM, MMI...

Important: kernel

Issue Overview: 2023-06-29: CVE-2023-28772 was added to this advisory. An issue in the HID driver in the Linux kernel may lead to invalid memory access. CVE-2022-20565 A flaw was found in the Linux kernel's implementation of BTRFS free space management, where the kernel does not correctly manage...

EulerOS Virtualization 3.0.2.6 : kvm (EulerOS-SA-2021-2856)

According to the versions of the kvm package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - An out-of-bounds access issue was found in the Linux kernel, all versions through 5.3, in the way Linux kernel's KVM hypervisor...

QEMU: msix: OOB access during mmio operations may lead to DoS

An out-of-bounds access flaw was found in the Message Signalled Interrupt MSI-X device support of QEMU. This issue occurs while performing MSI-X mmio operations when a guest sent address goes beyond the mmio region. A guest user or process may use this flaw to crash the QEMU process resulting in ...

GSD-2021-1001346 KVM: mmio: Fix use-after-free Read in kvm_vm_ioctl_unregister_coalesced_mmio

KVM: mmio: Fix use-after-free Read in kvmvmioctlunregistercoalescedmmio 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 v5.4.134 by commit...

UVI-2021-1001346 KVM: mmio: Fix use-after-free Read in kvm_vm_ioctl_unregister_coalesced_mmio

KVM: mmio: Fix use-after-free Read in kvmvmioctlunregistercoalescedmmio 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 v5.4.134 by commit...

GSD-2021-1001289 KVM: mmio: Fix use-after-free Read in kvm_vm_ioctl_unregister_coalesced_mmio

KVM: mmio: Fix use-after-free Read in kvmvmioctlunregistercoalescedmmio 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 v5.10.52 by commit...

GSD-2021-1001217 KVM: mmio: Fix use-after-free Read in kvm_vm_ioctl_unregister_coalesced_mmio

KVM: mmio: Fix use-after-free Read in kvmvmioctlunregistercoalescedmmio 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 v5.13.4 by commit...

USN-5010-1 qemu vulnerabilities

Lei Sun discovered that QEMU incorrectly handled certain MMIO operations. An attacker inside the guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. CVE-2020-15469 Wenxiang Qian discovered that QEMU incorrectly handled certain ATAPI commands. An attacker...

USN-5010-1: QEMU vulnerabilities

Lei Sun discovered that QEMU incorrectly handled certain MMIO operations. An attacker inside the guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. CVE-2020-15469 Wenxiang Qian discovered that QEMU incorrectly handled certain ATAPI commands. An attacker...

QEMU: msix: OOB access during mmio operations may lead to DoS

An out-of-bounds access flaw was found in the Message Signalled Interrupt MSI-X device support of QEMU. This issue occurs while performing MSI-X mmio operations when a guest sent address goes beyond the mmio region. A guest user or process may use this flaw to crash the QEMU process resulting in ...