Out-of-bounds Read Affecting qemu package, versions <1:2.11+dfsg-1ubuntu7.8
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Test your applications- Snyk ID SNYK-UBUNTU1804-QEMU-427872
- published 2 Dec 2018
- disclosed 2 Nov 2018
How to fix?
Upgrade Ubuntu:18.04 qemu to version 1:2.11+dfsg-1ubuntu7.8 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:18.04 relevant fixed versions and status.
An OOB heap buffer r/w access issue was found in the NVM Express Controller emulation in QEMU. It could occur in nvme_cmb_ops routines in nvme device. A guest user/process could use this flaw to crash the QEMU process resulting in DoS or potentially run arbitrary code with privileges of the QEMU process.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-16847
- https://security-tracker.debian.org/tracker/CVE-2018-16847
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00200.html
- https://www.openwall.com/lists/oss-security/2018/11/02/1
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16847
- http://www.securityfocus.com/bid/105866
- https://usn.ubuntu.com/3826-1/