Out-of-bounds Write Affecting xen package, versions <4.8.3+xsa262+shim4.10.0+comet3-1+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-DEBIAN11-XEN-517895
- published27 Apr 2018
- disclosed27 Apr 2018
Introduced: 27 Apr 2018
CVE-2018-10471 (opens in a new tab)How to fix?
Upgrade Debian:11 xen to version 4.8.3+xsa262+shim4.10.0+comet3-1+deb9u6 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream xen package and not the xen package as distributed by Debian.
See How to fix? for Debian:11 relevant fixed versions and status.
An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (out-of-bounds zero write and hypervisor crash) via unexpected INT 80 processing, because of an incorrect fix for CVE-2017-5754.
References
- https://security-tracker.debian.org/tracker/CVE-2018-10471
- https://xenbits.xen.org/xsa/advisory-259.html
- https://www.debian.org/security/2018/dsa-4201
- https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html
- https://security.gentoo.org/glsa/201810-06
- http://www.securityfocus.com/bid/104003
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-10471