Описание
The virgl_cmd_get_capset function in hw/display/virtio-gpu-3d.c in QEMU (aka Quick Emulator) built with Virtio GPU Device emulator support allows local guest OS users to cause a denial of service (out-of-bounds read and process crash) via a VIRTIO_GPU_CMD_GET_CAPSET command with a maximum capabilities size with a value of 0.
Пакеты
| Пакет | Статус | Версия исправления | Релиз | Тип |
|---|---|---|---|---|
| qemu | fixed | 1:2.10.0-1 | package | |
| qemu | not-affected | jessie | package | |
| qemu | not-affected | wheezy | package | |
| qemu-kvm | not-affected | package |
Примечания
https://lists.gnu.org/archive/html/qemu-devel/2016-12/msg01903.html
https://www.openwall.com/lists/oss-security/2016/12/20/1
Marked as unimportant, since 1:2.8+dfsg-2 reverted the support for
virtio gpu (virglrenderer) and opengl, but the affected code is
still present.
Fixed by: http://git.qemu.org/?p=qemu.git;a=commit;h=abd7f08b2353f43274b785db8c7224f082ef4d31 (v2.9.0-rc0)
Связанные уязвимости
The virgl_cmd_get_capset function in hw/display/virtio-gpu-3d.c in QEMU (aka Quick Emulator) built with Virtio GPU Device emulator support allows local guest OS users to cause a denial of service (out-of-bounds read and process crash) via a VIRTIO_GPU_CMD_GET_CAPSET command with a maximum capabilities size with a value of 0.
The virgl_cmd_get_capset function in hw/display/virtio-gpu-3d.c in QEMU (aka Quick Emulator) built with Virtio GPU Device emulator support allows local guest OS users to cause a denial of service (out-of-bounds read and process crash) via a VIRTIO_GPU_CMD_GET_CAPSET command with a maximum capabilities size with a value of 0.
The virgl_cmd_get_capset function in hw/display/virtio-gpu-3d.c in QEMU (aka Quick Emulator) built with Virtio GPU Device emulator support allows local guest OS users to cause a denial of service (out-of-bounds read and process crash) via a VIRTIO_GPU_CMD_GET_CAPSET command with a maximum capabilities size with a value of 0.
The virgl_cmd_get_capset function in hw/display/virtio-gpu-3d.c in QEMU (aka Quick Emulator) built with Virtio GPU Device emulator support allows local guest OS users to cause a denial of service (out-of-bounds read and process crash) via a VIRTIO_GPU_CMD_GET_CAPSET command with a maximum capabilities size with a value of 0.
Уязвимость функции virgl_cmd_get_capset компонента hw/display/virtio-gpu-3d.c эмулятора аппаратного обеспечения QEMU, связанная с чтением за допустимыми границами буфера данных, позволяющая нарушителю вызвать отказ в обслуживании