Description
hw/rdma/rdma_backend.c in QEMU allows guest OS users to trigger out-of-bounds access via a PvrdmaSqWqe ring element with a large num_sge value.
References (4)
Core 4
Core References
Patch, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg02822.html
Mailing List, Patch, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2018/12/18/2
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/106290
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3923-1/
Scores
CVSS v3
5.5
EPSS
0.0015
EPSS Percentile
35.3%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-125
Status
published
Products (5)
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
18.04
canonical/ubuntu_linux
18.10
qemu/qemu
< 3.1.0
Published
Dec 20, 2018
Tracked Since
Feb 18, 2026