CVE-2018-20124: Medium severity Qemu Qemu vulnerability
hw/rdma/rdmabackend.c in QEMU allows guest OS users to trigger out-of-bounds access via a PvrdmaSqWqe ring element with a large numsge value.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2018-20124?
CVE-2018-20124 has been classified as a high severity vulnerability due to the potential for out-of-bounds access.
How do I fix CVE-2018-20124?
To fix CVE-2018-20124, update your QEMU installation to a version higher than 3.1.0 or apply the relevant patches provided by your distribution.
What systems are affected by CVE-2018-20124?
CVE-2018-20124 affects QEMU versions up to 3.1.0 and specific versions of Ubuntu and Debian-based systems.
What causes the vulnerability identified as CVE-2018-20124?
CVE-2018-20124 is caused by a large num_sge value in a PvrdmaSqWqe ring element leading to out-of-bounds memory access.
Is there a working exploit for CVE-2018-20124?
While details of specific exploits for CVE-2018-20124 are not public, the vulnerability's nature allows for possible exploitation by malicious guest OS users.