Description
The esp_do_dma function in hw/scsi/esp.c in QEMU (aka Quick Emulator), when built with ESP/NCR53C9x controller emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) or execute arbitrary code on the QEMU host via vectors involving DMA read into ESP command buffer.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://www.ubuntu.com/usn/USN-3047-1 ↗
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=cc96677469388bad3d66479379735cf75db069e3 ↗
- http://www.ubuntu.com/usn/USN-3047-2 ↗
- http://www.openwall.com/lists/oss-security/2016/07/25/14 ↗
- http://www.openwall.com/lists/oss-security/2016/07/26/7 ↗
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=926cde5f3e4d2504ed161ed0cb771ac7cad6fd11 ↗
- http://www.securityfocus.com/bid/92119 ↗
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html ↗