Out-of-bounds Read Affecting qemu package, versions <1:2.8+dfsg-6+deb9u6
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN9-QEMU-427761
- published2 Dec 2018
- disclosed15 Nov 2018
Introduced: 15 Nov 2018
CVE-2018-18954 (opens in a new tab)How to fix?
Upgrade Debian:9 qemu to version 1:2.8+dfsg-6+deb9u6 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 Debian.
See How to fix? for Debian:9 relevant fixed versions and status.
The pnv_lpc_do_eccb function in hw/ppc/pnv_lpc.c in Qemu before 3.1 allows out-of-bounds write or read access to PowerNV memory.
References
- https://security-tracker.debian.org/tracker/CVE-2018-18954
- https://seclists.org/bugtraq/2019/May/76
- https://www.debian.org/security/2019/dsa-4454
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00446.html
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html
- http://www.openwall.com/lists/oss-security/2018/11/06/6
- http://www.securityfocus.com/bid/105920
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-18954
- https://usn.ubuntu.com/3826-1/