CVE-2016-6351
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…
Does this matter?
Lower severity and a low EPSS score (0.47%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.7 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.47% probability · 40th percentile
- CISA KEV
- Not listed
- Affected
- qemu/qemu · canonical/ubuntu linux · debian/debian linux
- Source
- secalert@redhat.com
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=926cde5f3e4d2504ed161ed0cb771ac7cad6fd11
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=cc96677469388bad3d66479379735cf75db069e3
- http://www.openwall.com/lists/oss-security/2016/07/25/14Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/07/26/7Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/92119Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3047-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-3047-2Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing List, Third Party Advisory
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=926cde5f3e4d2504ed161ed0cb771ac7cad6fd11
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=cc96677469388bad3d66479379735cf75db069e3
- http://www.openwall.com/lists/oss-security/2016/07/25/14Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/07/26/7Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/92119Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3047-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-3047-2Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.