CVE-2018-10471

MEDIUM

Description

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

http://www.securityfocus.com/bid/104003

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-259.html

Details

Source: MITRE

Published: 2018-04-27

Updated: 2018-10-31

Type: CWE-787

Risk Information

CVSS v2.0

Base Score: 4.9

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3.0

Base Score: 6.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Impact Score: 4

Exploitability Score: 2

Severity: MEDIUM

Vulnerable Software

Configuration 1

OR

cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* versions up to 4.10.1 (inclusive)

Configuration 2

OR

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Tenable Plugins

View all (15 total)

IDNameProductFamilySeverity
120843Fedora 28 : xen (2018-dbebca30d0)NessusFedora Local Security Checks
low
118506GLSA-201810-06 : Xen: Multiple vulnerabilities (Foreshadow) (Meltdown) (Spectre)NessusGentoo Local Security Checks
high
118304SUSE SLES12 Security Update : xen (SUSE-SU-2018:3230-1) (Meltdown)NessusSuSE Local Security Checks
high
118215Debian DLA-1549-1 : xen security updateNessusDebian Local Security Checks
high
109816Debian DSA-4201-1 : xen - security updateNessusDebian Local Security Checks
high
109756SUSE SLES12 Security Update : xen (SUSE-SU-2018:1216-1) (Meltdown)NessusSuSE Local Security Checks
high
109751openSUSE Security Update : xen (openSUSE-2018-454) (Meltdown)NessusSuSE Local Security Checks
high
109746Fedora 26 : xen (2018-eb69078020)NessusFedora Local Security Checks
medium
109722SUSE SLES11 Security Update : xen (SUSE-SU-2018:1203-1) (Meltdown)NessusSuSE Local Security Checks
high
109721SUSE SLES12 Security Update : xen (SUSE-SU-2018:1202-1) (Meltdown)NessusSuSE Local Security Checks
high
109677SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2018:1184-1) (Meltdown)NessusSuSE Local Security Checks
high
109676SUSE SLES11 Security Update : xen (SUSE-SU-2018:1181-1) (Meltdown)NessusSuSE Local Security Checks
high
109672SUSE SLES12 Security Update : xen (SUSE-SU-2018:1177-1) (Meltdown)NessusSuSE Local Security Checks
high
109574Xen arch/x86/x86_64/entry.S Exception Handling Guest-to-host DoS (XSA-259)NessusMisc.
medium
109519Fedora 27 : xen (2018-604574c943)NessusFedora Local Security Checks
medium