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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.47%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 0.47% probability · 40th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- xen/xen · debian/debian linux
- Source
- cve@mitre.org
EPSS 0.5% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://openwall.com/lists/oss-security/2018/05/08/2Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/104150Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2018/05/msg00015.htmlIssue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/10/msg00009.htmlIssue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/201810-06Third Party Advisory
- https://www.debian.org/security/2018/dsa-4201Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-261.htmlMitigation, Patch, Vendor Advisory
- http://openwall.com/lists/oss-security/2018/05/08/2Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/104150Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2018/05/msg00015.htmlIssue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/10/msg00009.htmlIssue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/201810-06Third Party Advisory
- https://www.debian.org/security/2018/dsa-4201Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-261.htmlMitigation, Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.