CVE-2016-8578 (retired)

Priority
Description
The v9fs_iov_vunmarshal function in fsdev/9p-iov-marshal.c in QEMU (aka
Quick Emulator) allows local guest OS administrators to cause a denial of
service (NULL pointer dereference and QEMU process crash) by sending an
empty string parameter to a 9P operation.
Notes
 tyhicks> Privileged user inside the guest can trigger a DoS of the QEMU host
  process
 tyhicks> In Trusty and Xenial, the vulnerable code is in the v9fs_unmarshal()
  function of fsdev/virtio-9p-marshal.c
Package
Source: qemu (LP Ubuntu Debian)
Upstream:needed
Ubuntu 14.04 LTS (Trusty Tahr):released (2.0.0+dfsg-2ubuntu1.30)
Ubuntu 16.04 LTS (Xenial Xerus):released (1:2.5+dfsg-5ubuntu10.6)
Patches:
Upstream:http://git.qemu.org/?p=qemu.git;a=commit;h=ba42ebb863ab7d40adc79298422ed9596df8f73a
Package
Upstream:needs-triage
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
More Information

Updated: 2019-03-26 12:23:15 UTC (commit ccdecfcf0fead22bd291e5f4ea745a46872dcb15)