UBUNTU-CVE-2021-3507

A heap buffer overflow was found in the floppy disk emulator of QEMU up to 6.0.0 including. 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...

CVE-2021-3507

CVE-2021-3507 refers to a heap buffer overflow in QEMU’s floppy disk emulator up to version 6.0.0, triggered in fdctrl_transfer_handler() (hw/block/fdc.c) during DMA read data transfers from the floppy to the guest. Reported impact includes host DoS via crashing the QEMU process and potential inf...

CVE-2021-3507

A heap buffer overflow was found in the floppy disk emulator of QEMU up to 6.0.0 including. 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...

CVE-2021-3507

A heap buffer overflow was found in the floppy disk emulator of QEMU up to 6.0.0 including. 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...

CVE-2021-3507

A heap buffer overflow was found in the floppy disk emulator of QEMU up to 6.0.0 including. 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...

QEMU Buffer Overflow Vulnerability (CNVD-2021-41095)

QEMU is a suite of analog processor software from the French individual developer Fabrice Bellard. The software is fast and cross-platform. QEMU suffers from a buffer overflow vulnerability that stems from a heap buffer overflow found in the floppy disk emulator, which can be exploited by an...

CVE-2021-3507

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...

PT-2021-7719

Name of the Vulnerable Software and Affected Versions QEMU versions up to 6.0.0 Description A heap buffer overflow was found in the floppy disk emulator of QEMU. It could occur in fdctrl transfer handler in hw/block/fdc.c while processing DMA read data transfers from the floppy drive to the guest...

QEMU 缓冲区错误漏洞

QEMU is a suite of analog processor software from the French individual developer Fabrice Bellard. The software is fast and cross-platform. QEMU suffers from a buffer overflow vulnerability that stems from a heap buffer overflow found in the floppy disk emulator, which can be exploited by an...

Linux kernel competitive conditions issue vulnerability (CNVD-2021-22160)

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the default privileges being limited to root on the floppy disk device dev fd0.No details of the vulnerabili...

CVE-2021-20261

A race condition was found in the Linux kernels implementation of the floppy disk drive controller driver software. The impact of this issue is lessened by the fact that the default permissions on the floppy device /dev/fd0 are restricted to root. If the permissions on the device have changed the...

CVE-2021-20261

A race condition was found in the Linux kernels implementation of the floppy disk drive controller driver software. The impact of this issue is lessened by the fact that the default permissions on the floppy device /dev/fd0 are restricted to root. If the permissions on the device have changed the...

Race condition

A race condition was found in the Linux kernels implementation of the floppy disk drive controller driver software. The impact of this issue is lessened by the fact that the default permissions on the floppy device /dev/fd0 are restricted to root. If the permissions on the device have changed the...

CVE-2021-20261

A race condition was found in the Linux kernels implementation of the floppy disk drive controller driver software. The impact of this issue is lessened by the fact that the default permissions on the floppy device /dev/fd0 are restricted to root. If the permissions on the device have changed the...

CVE-2021-20261

A race condition was found in the Linux kernels implementation of the floppy disk drive controller driver software. The impact of this issue is lessened by the fact that the default permissions on the floppy device /dev/fd0 are restricted to root. If the permissions on the device have changed the...

CVE-2021-20261

CVE-2021-20261 is a local race-condition vulnerability in the Linux kernel floppy disk drive controller (fd0) driver. The issue’s impact is mitigated by default file permissions on /dev/fd0 being root-only; changes to device permissions can greatly increase risk. The initial description notes a l...

CVE-2021-20261

A race condition was found in the Linux kernels implementation of the floppy disk drive controller driver software. The impact of this issue is lessened by the fact that the default permissions on the floppy device /dev/fd0 are restricted to root. If the permissions on the device have changed the...

CVE-2021-20261

A race condition was found in the Linux kernels implementation of the floppy disk drive controller driver software. The impact of this issue is lessened by the fact that the default permissions on the floppy device /dev/fd0 are restricted to root. If the permissions on the device have changed the...

CVE-2021-20196

A NULL pointer dereference flaw was found in the floppy disk emulator of QEMU. This issue occurs while processing read/write ioport commands if the selected floppy drive is not initialized with a block device. This flaw allows a privileged guest user to crash the QEMU process on the host, resulti...

PT-2021-7363

Name of the Vulnerable Software and Affected Versions QEMU affected versions not specified Description The issue is related to a NULL pointer dereference flaw in the floppy disk emulator of QEMU. This flaw occurs when processing read/write ioport commands if the selected floppy drive is not...