Description

Use-after-free vulnerability in the vmxnet3_io_bar0_write function in hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU instance crash) by leveraging failure to check if the device is active.

References

http://git.qemu.org/?p=qemu.git;a=commit;h=6c352ca9b4ee3e1e286ea9e8434bd8e69ac7d0d8

http://www.openwall.com/lists/oss-security/2016/08/12/1

http://www.openwall.com/lists/oss-security/2016/08/18/3

http://www.securityfocus.com/bid/93255

https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html

https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg01602.html

https://security.gentoo.org/glsa/201609-01

Details

Risk Information

CVSS v2

CVSS v3