The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries.
http://support.citrix.com/article/CTX214954
http://www.debian.org/security/2016/dsa-3633
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://www.securityfocus.com/bid/92131
http://www.securitytracker.com/id/1036446
http://xenbits.xen.org/xsa/advisory-182.html
http://xenbits.xen.org/xsa/xsa182-4.5.patch
http://xenbits.xen.org/xsa/xsa182-4.6.patch
Source: MITRE
Published: 2016-08-02
Updated: 2017-07-01
Type: CWE-284
Base Score: 7.2
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 3.9
Severity: HIGH
Base Score: 8.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Impact Score: 6
Exploitability Score: 2
Severity: HIGH
OR
cpe:2.3:o:xen:xen:3.4.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.4.2:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.4.3:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.4.4:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.0.1:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.0.3:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.0.4:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.1.1:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.1.2:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.1.4:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.1.5:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.6.1:*:*:*:*:*:*:*
OR
cpe:2.3:a:citrix:xenserver:6.0:*:*:*:*:*:*:*
cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:*
cpe:2.3:a:citrix:xenserver:6.1:*:*:*:*:*:*:*
cpe:2.3:a:citrix:xenserver:6.2.0:sp1:*:*:*:*:*:*
ID | Name | Product | Family | Severity |
---|---|---|---|---|
140019 | OracleVM 3.4 : xen (OVMSA-2020-0039) (Bunker Buster) (Foreshadow) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout) (Meltdown) (POODLE) (Spectre) | Nessus | OracleVM Local Security Checks | critical |
111992 | OracleVM 3.4 : xen (OVMSA-2018-0248) (Bunker Buster) (Foreshadow) (Meltdown) (POODLE) (Spectre) | Nessus | OracleVM Local Security Checks | critical |
94893 | GLSA-201611-09 : Xen: Multiple vulnerabilities (Bunker Buster) | Nessus | Gentoo Local Security Checks | high |
94608 | SUSE SLES11 Security Update : xen (SUSE-SU-2016:2725-1) (Bunker Buster) | Nessus | SuSE Local Security Checks | high |
94269 | SUSE SLES12 Security Update : xen (SUSE-SU-2016:2533-1) (Bunker Buster) | Nessus | SuSE Local Security Checks | high |
94267 | SUSE SLES11 Security Update : xen (SUSE-SU-2016:2528-1) (Bunker Buster) | Nessus | SuSE Local Security Checks | high |
94038 | SUSE SLES11 Security Update : xen (SUSE-SU-2016:2507-1) (Bunker Buster) | Nessus | SuSE Local Security Checks | high |
94000 | openSUSE Security Update : xen (openSUSE-2016-1170) (Bunker Buster) | Nessus | SuSE Local Security Checks | high |
93999 | openSUSE Security Update : xen (openSUSE-2016-1169) (Bunker Buster) | Nessus | SuSE Local Security Checks | high |
93935 | SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2016:2473-1) (Bunker Buster) | Nessus | SuSE Local Security Checks | high |
93298 | SUSE SLES11 Security Update : xen (SUSE-SU-2016:2100-1) (Bunker Buster) | Nessus | SuSE Local Security Checks | high |
93296 | SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2016:2093-1) (Bunker Buster) | Nessus | SuSE Local Security Checks | high |
92796 | Fedora 23 : xen (2016-0049aa6e5d) (Bunker Buster) | Nessus | Fedora Local Security Checks | high |
92766 | Fedora 24 : xen (2016-01cc766201) (Bunker Buster) | Nessus | Fedora Local Security Checks | high |
92723 | Citrix XenServer Multiple Vulnerabilities (CTX214954) (Bunker Buster) | Nessus | Misc. | high |
92701 | Xen Privilege Escalation (XSA-182) (Bunker Buster) | Nessus | Misc. | high |
92674 | FreeBSD : xen-kernel -- x86: Privilege escalation in PV guests (032aa524-5854-11e6-b334-002590263bf5) (Bunker Buster) | Nessus | FreeBSD Local Security Checks | high |
92635 | Debian DLA-571-1 : xen security update (Bunker Buster) | Nessus | Debian Local Security Checks | high |
92614 | Debian DSA-3633-1 : xen - security update (Bunker Buster) | Nessus | Debian Local Security Checks | high |
92600 | OracleVM 3.4 : xen (OVMSA-2016-0088) (Bunker Buster) | Nessus | OracleVM Local Security Checks | high |