Ubuntu 18.04 LTS / 20.04 LTS : QEMU vulnerabilities (USN-5307-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5307-1 advisory. Gaoning Pan discovered that QEMU incorrectly handled the floppy disk emulator. An attacker inside the guest could use this issue to cause QEM...

QEMU: block: fdc: null pointer dereference may lead to guest crash

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...

SUSE SLED15: qemu / qemu-arm / qemu-audio-alsa / qemu-audio-pa / etc (SUSE-SU-2022:0177-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2022:0177-1 advisory. - CVE-2021-20196: Fixed null pointer dereference that may lead to guest crash bsc1181361. Tenable has extracted the...

openSUSE 15 Security Update : qemu (openSUSE-SU-2022:0177-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by a vulnerability as referenced in the openSUSE-SU-2022:0177-1 advisory. - A NULL pointer dereference flaw was found in the floppy disk emulator of QEMU. This issue occurs while processing read/write ioport commands if th...

Denial Of Service (DoS)

qemu is vulnerable to Denial Of Service DoS. The vulnerability exists in the floppy disk emulator of QEMU allows privileged user to crash the QEMU...

Denial Of Service (DoS)

qemu is vulnerable to Denial Of Service DoS. The vulnerability exists due to a heap buffer overflow was found in the floppy disk emulator of QEMU in fdctrltransferhandler in hw/block/fdc.c while processing DMA read data transfers from the floppy drive to the guest system...

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...

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...

Null pointer dereference

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...

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...

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...

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...

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...

CVE-2021-20196

CVE-2021-20196 : In QEMU’s floppy disk emulator, a NULL pointer dereference can occur when processing read/write ioport commands if the selected floppy drive isn’t initialized with a block device. This may allow a privileged guest to crash the QEMU process on the host, causing a denial of service...

Getting a persistent shell on a 747 IFE

TL:DR The Coronavirus pandemic has hit the airline industry hard. One sad consequence was early retirement of most of the 747 passenger fleet. This does however create opportunities for aviation security research, as airframes are parked up before parting out in breakers yards. This 747 was flyin...

DEBIAN-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...

Heap overflow

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...