First published: Thu Dec 20 2018(Updated: )
hw/rdma/vmw/pvrdma_cmd.c in QEMU allows create_cq and create_qp memory leaks because errors are mishandled.
Credit: cve@mitre.org cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
debian/qemu | 1:5.2+dfsg-11+deb11u3 1:5.2+dfsg-11+deb11u2 1:7.2+dfsg-7+deb12u7 1:9.1.2+ds-1 1:9.2.0+ds-2 | |
QEMU KVM | <=3.1.0 | |
Ubuntu Linux | =14.04 | |
Ubuntu Linux | =16.04 | |
Ubuntu Linux | =18.04 | |
Ubuntu Linux | =18.10 | |
openSUSE | =15.0 | |
openSUSE | =15.1 |
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CVE-2018-20126 is classified as a medium severity vulnerability due to memory leaks caused by mishandled errors in QEMU.
To fix CVE-2018-20126, upgrade to a patched version of QEMU that resolves the memory leak issues.
CVE-2018-20126 affects all versions of QEMU up to 3.1.0 and specific Debian and Ubuntu releases as noted.
The impact of CVE-2018-20126 includes potential memory exhaustion over time, which could lead to denial of service.
Yes, CVE-2018-20126 is present in Ubuntu 16.04 along with several other affected versions of Ubuntu.