ALT-PU-2016-1875-1

Package update pve-qemu in branch p8

Version2.6.1-alt1

Published2016-08-23

Max severityHIGH

Severity:

Closed issues (3)

MEDIUM5.0

The ohci_bus_start function in the USB OHCI emulation support (hw/usb/hcd-ohci.c) in QEMU allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors related to multiple eof_timers.

Published: 2016-06-16Modified: 2025-04-12

CVSS 2.0LOW 2.1

CVSS:2.0/AV:L/AC:L/Au:N/C:N/I:N/A:P

CVSS 3.xMEDIUM 5.0

CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

References

HIGH7.8

Heap-based buffer overflow in the iscsi_aio_ioctl function in block/iscsi.c in QEMU allows local guest OS users to cause a denial of service (QEMU process crash) or possibly execute arbitrary code via a crafted iSCSI asynchronous I/O ioctl call.

Published: 2016-06-01Modified: 2025-04-12

CVSS 2.0MEDIUM 4.6

CVSS:2.0/AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS 3.xHIGH 7.8

CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

MEDIUM4.4

The virtqueue_map_desc function in hw/virtio/virtio.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a zero length for the descriptor buffer.

Published: 2016-12-10Modified: 2025-04-12

CVSS 2.0LOW 2.1

CVSS:2.0/AV:L/AC:L/Au:N/C:N/I:N/A:P

CVSS 3.xMEDIUM 4.4

CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

References