Vulnerability in Xen
CVE-2018-10982
An issue was discovered in Xen through 4.10.x allowing x86 HVM guest OS users to cause a denial of service (unexpectedly high interrupt number, array overrun, and hypervisor crash) or possibly gain hypervisor privileges by setting up an HPET timer to deliver interrupts in IO-APIC mode, aka vHPET interrupt injection.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (38.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: -0.000
Affected products
- Xen
- Debian Linux — versions 7.0, 8.0, 9.0
References
- security.gentoo.org/glsa/201810-06 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/05/msg00015.html (mailing-list, Third Party Advisory, Issue Tracking)
- www.debian.org/security/2018/dsa-4201 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/10/msg00009.html (mailing-list, Third Party Advisory, Issue Tracking)
- www.securityfocus.com/bid/104150 (VDB Entry, Third Party Advisory, vdb-entry)
- openwall.com/lists/oss-security/2018/05/08/2 (Mailing List, Third Party Advisory)
- xenbits.xen.org/xsa/advisory-261.html (Patch, Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-10982?
- CVE-2018-10982 is a high-severity vulnerability in Xen. CVSS score: 8.8/10. Published 2018-05-10.
- How severe is CVE-2018-10982?
- High severity. CVSS v3 base score is 8.8 out of 10.