Out-of-bounds Read Affecting qemu package, versions <1:2.12+dfsg-3ubuntu8.6


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.06% (28th percentile)

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  • Snyk IDSNYK-UBUNTU1810-QEMU-428247
  • published19 Dec 2018
  • disclosed20 Dec 2018

Introduced: 19 Dec 2018

CVE-2018-20124  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Ubuntu:18.10 qemu to version 1:2.12+dfsg-3ubuntu8.6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Ubuntu. See How to fix? for Ubuntu:18.10 relevant fixed versions and status.

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.

CVSS Scores

version 3.1