CVE-2018-10982

Severity

72%

Complexity

39%

Confidentiality

165%

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.

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 Base Score 8.8. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).

CVSS 2.0 Base Score 7.2. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C).

Overview

Type

Debian Linux

First reported 6 years ago

2018-05-10 23:29:00

Last updated 5 years ago

2019-10-03 00:03:00

Affected Software

Debian Linux 7.0

7.0

Debian Linux 8.0 (Jessie)

8.0

Debian Linux 9.0

9.0

References

http://openwall.com/lists/oss-security/2018/05/08/2

Mailing List, Third Party Advisory

104150

Third Party Advisory, VDB Entry

[debian-lts-announce] 20180525 [SECURITY] [DLA 1383-1] xen security update

Issue Tracking, Third Party Advisory

[debian-lts-announce] 20181018 [SECURITY] [DLA 1549-1] xen security update

Issue Tracking, Third Party Advisory

GLSA-201810-06

Third Party Advisory

DSA-4201

Third Party Advisory

https://xenbits.xen.org/xsa/advisory-261.html

Mitigation, Patch, Vendor Advisory

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