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The process_tx_desc function in hw/net/e1000.c in QEMU before 2.4.0.1 does not properly process transmit descriptor data when sending a network packet, which allows attackers to cause a denial of service (infinite loop and guest...
2 affected packages
qemu, qemu-kvm
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| qemu | — | — | — | — |
| qemu-kvm | — | — | — | — |
Integer overflow in the VNC display driver in QEMU before 2.1.0 allows attachers to cause a denial of service (process crash) via a CLIENT_CUT_TEXT message, which triggers an infinite loop.
2 affected packages
qemu, qemu-kvm
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| qemu | — | — | — | — |
| qemu-kvm | — | — | — | — |
Buffer overflow in the vnc_refresh_server_surface function in the VNC display driver in QEMU before 2.4.0.1 allows guest users to cause a denial of service (heap memory corruption and process crash) or possibly execute arbitrary...
2 affected packages
qemu, qemu-kvm
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| qemu | — | — | — | — |
| qemu-kvm | — | — | — | — |
Some fixes available 1 of 3
Use-after-free vulnerability in QEMU in Xen 4.5.x and earlier does not completely unplug emulated block devices, which allows local HVM guest users to gain privileges by unplugging a block device twice.
3 affected packages
qemu, qemu-kvm, xen
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| qemu | — | — | — | — |
| qemu-kvm | — | — | — | — |
| xen | — | — | — | — |
Some fixes available 5 of 7
The C+ mode offload emulation in the RTL8139 network card device model in QEMU, as used in Xen 4.5.x and earlier, allows remote attackers to read process heap memory via unspecified vectors.
3 affected packages
qemu, qemu-kvm, xen
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| qemu | — | — | — | — |
| qemu-kvm | — | — | — | — |
| xen | — | — | — | — |
Some fixes available 2 of 3
Buffer overflow in the send_control_msg function in hw/char/virtio-serial-bus.c in QEMU before 2.4.0 allows guest users to cause a denial of service (QEMU process crash) via a crafted virtio control message.
2 affected packages
qemu, qemu-kvm
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| qemu | — | — | — | — |
| qemu-kvm | — | — | — | — |
Some fixes available 4 of 6
Heap-based buffer overflow in the IDE subsystem in QEMU, as used in Xen 4.5.x and earlier, when the container has a CDROM drive enabled, allows local guest users to execute arbitrary code on the host via unspecified ATAPI commands.
3 affected packages
qemu, qemu-kvm, xen
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| qemu | — | — | — | — |
| qemu-kvm | — | — | — | — |
| xen | — | — | — | — |
Stack-based buffer overflow in hw/scsi/scsi-bus.c in QEMU, when built with SCSI-device emulation support, allows guest OS users with CAP_SYS_RAWIO permissions to cause a denial of service (instance crash) via an invalid opcode in...
2 affected packages
qemu, qemu-kvm
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| qemu | — | — | — | — |
| qemu-kvm | — | — | — | — |
Some fixes available 2 of 3
The pit_ioport_read in i8254.c in the Linux kernel before 2.6.33 and QEMU before 2.3.1 does not distinguish between read lengths and write lengths, which might allow guest OS users to execute arbitrary code on the host OS by...
2 affected packages
qemu, qemu-kvm
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| qemu | — | — | — | — |
| qemu-kvm | — | — | — | — |
Some fixes available 6 of 7
Heap-based buffer overflow in the PCNET controller in QEMU allows remote attackers to execute arbitrary code by sending a packet with TXSTATUS_STARTPACKET set and then a crafted packet with TXSTATUS_DEVICEOWNS set.
3 affected packages
qemu, qemu-kvm, xen
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| qemu | — | — | — | — |
| qemu-kvm | — | — | — | — |
| xen | — | — | — | — |