CVE-2015-8550

high
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Description

Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service (host OS crash) or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability.

References

http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html

http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html

http://www.debian.org/security/2016/dsa-3434

http://www.debian.org/security/2016/dsa-3471

http://www.debian.org/security/2016/dsa-3519

http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html

http://www.securityfocus.com/bid/79592

http://www.securitytracker.com/id/1034479

http://xenbits.xen.org/xsa/advisory-155.html

https://security.gentoo.org/glsa/201604-03

Details

Source: MITRE

Published: 2016-04-14

Updated: 2017-11-04

Type: CWE-284

Risk Information

CVSS v2

Base Score: 5.7

Vector: AV:L/AC:L/Au:S/C:P/I:P/A:C

Impact Score: 8.5

Exploitability Score: 3.1

Severity: MEDIUM

CVSS v3

Base Score: 8.2

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

Impact Score: 6

Exploitability Score: 1.5

Severity: HIGH

Tenable Plugins

View all (36 total)

IDNameProductFamilySeverity
140019OracleVM 3.4 : xen (OVMSA-2020-0039) (Bunker Buster) (Foreshadow) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout) (Meltdown) (POODLE) (Spectre)NessusOracleVM Local Security Checks
critical
111992OracleVM 3.4 : xen (OVMSA-2018-0248) (Bunker Buster) (Foreshadow) (Meltdown) (POODLE) (Spectre)NessusOracleVM Local Security Checks
critical
93177SUSE SLES11 Security Update : xen (SUSE-SU-2016:1745-1)NessusSuSE Local Security Checks
critical
92601OracleVM 3.3 : xen (OVMSA-2016-0089)NessusOracleVM Local Security Checks
high
91756OracleVM 3.2 : xen (OVMSA-2016-0081)NessusOracleVM Local Security Checks
high
91249SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2016:1318-1)NessusSuSE Local Security Checks
critical
91198Debian DLA-479-1 : xen security updateNessusDebian Local Security Checks
high
90884SUSE SLES11 Security Update : kernel (SUSE-SU-2016:1203-1)NessusSuSE Local Security Checks
critical
90759SUSE SLES11 Security Update : xen (SUSE-SU-2016:1154-1)NessusSuSE Local Security Checks
critical
90396SUSE SLED11 / SLES11 Security Update : xen (SUSE-SU-2016:0955-1)NessusSuSE Local Security Checks
critical
90380GLSA-201604-03 : Xen: Multiple vulnerabilities (Venom)NessusGentoo Local Security Checks
critical
90264SUSE SLED11 / SLES11 Security Update : kernel (SUSE-SU-2016:0911-1)NessusSuSE Local Security Checks
critical
90186SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2016:0873-1)NessusSuSE Local Security Checks
critical
90030Debian DSA-3519-1 : xen - security updateNessusDebian Local Security Checks
high
89723SUSE SLES10 Security Update : Xen (SUSE-SU-2016:0658-1)NessusSuSE Local Security Checks
critical
89429Fedora 23 : xen-4.5.2-6.fc23 (2015-d8253e2b1d)NessusFedora Local Security Checks
high
89398Fedora 22 : xen-4.5.2-6.fc22 (2015-c44bd3e0fa)NessusFedora Local Security Checks
high
89022SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2016:0585-1)NessusSuSE Local Security Checks
high
88630Debian DSA-3471-1 : qemu - security updateNessusDebian Local Security Checks
critical
88605openSUSE Security Update : the Linux Kernel (openSUSE-2016-136)NessusSuSE Local Security Checks
high
88576Ubuntu 12.04 LTS / 14.04 LTS / 15.10 : qemu, qemu-kvm vulnerabilities (USN-2891-1)NessusUbuntu Local Security Checks
high
88545openSUSE Security Update : the Linux Kernel (openSUSE-2016-124)NessusSuSE Local Security Checks
high
88542openSUSE Security Update : the Linux Kernel (openSUSE-2016-116)NessusSuSE Local Security Checks
high
88126openSUSE Security Update : xen (openSUSE-2016-36)NessusSuSE Local Security Checks
high
88125openSUSE Security Update : xen (openSUSE-2016-35)NessusSuSE Local Security Checks
high
88124openSUSE Security Update : xen (openSUSE-2016-34)NessusSuSE Local Security Checks
high
88006SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2016:0168-1)NessusSuSE Local Security Checks
high
87741Debian DSA-3434-1 : linux - security updateNessusDebian Local Security Checks
high
87537Ubuntu 14.04 LTS : linux-lts-vivid vulnerabilities (USN-2854-1)NessusUbuntu Local Security Checks
high
87536Ubuntu 14.04 LTS : linux-lts-wily vulnerabilities (USN-2853-1)NessusUbuntu Local Security Checks
high
87534Ubuntu 15.10 : linux vulnerabilities (USN-2851-1)NessusUbuntu Local Security Checks
high
87533Ubuntu 15.04 : linux vulnerabilities (USN-2850-1)NessusUbuntu Local Security Checks
high
87532Ubuntu 14.04 LTS : linux-lts-utopic vulnerabilities (USN-2849-1)NessusUbuntu Local Security Checks
high
87531Ubuntu 14.04 LTS : linux vulnerabilities (USN-2848-1)NessusUbuntu Local Security Checks
high
87530Ubuntu 12.04 LTS : linux-lts-trusty vulnerabilities (USN-2847-1)NessusUbuntu Local Security Checks
high
87529Ubuntu 12.04 LTS : linux vulnerabilities (USN-2846-1)NessusUbuntu Local Security Checks
high