CVE-2018-10982

Severity: high (CVSS 8.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-05-10 · updated 2026-06-17

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.

Affected products

Debian Linux: 7.0, 8.0, 9.0
xen: through 4.10.1

References

http://openwall.com/lists/oss-security/2018/05/08/2
http://www.securityfocus.com/bid/104150
https://lists.debian.org/debian-lts-announce/2018/05/msg00015.html
https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html
https://security.gentoo.org/glsa/201810-06
https://www.debian.org/security/2018/dsa-4201
https://xenbits.xen.org/xsa/advisory-261.html
http://openwall.com/lists/oss-security/2018/05/08/2
http://www.securityfocus.com/bid/104150
https://lists.debian.org/debian-lts-announce/2018/05/msg00015.html
https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html
https://security.gentoo.org/glsa/201810-06

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