An issue was discovered in Xen through 4.9.x allowing PV guest OS users to cause a denial of service (host OS crash) or gain host OS privileges in shadow mode by mapping a certain auxiliary page.
http://www.openwall.com/lists/oss-security/2017/12/12/4
http://www.securityfocus.com/bid/102167
http://www.securitytracker.com/id/1040768
https://lists.debian.org/debian-lts-announce/2018/01/msg00003.html
https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html
https://security.gentoo.org/glsa/201801-14
https://support.citrix.com/article/CTX232096
Source: MITRE
Published: 2017-12-12
Updated: 2019-10-03
Type: NVD-CWE-noinfo
Base Score: 6.9
Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 3.4
Severity: MEDIUM
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Impact Score: 6
Exploitability Score: 1.1
Severity: HIGH
OR
cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* versions up to 4.9.1 (inclusive)
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 |
118215 | Debian DLA-1549-1 : xen security update | Nessus | Debian Local Security Checks | high |
111992 | OracleVM 3.4 : xen (OVMSA-2018-0248) (Bunker Buster) (Foreshadow) (Meltdown) (POODLE) (Spectre) | Nessus | OracleVM Local Security Checks | critical |
110305 | OracleVM 3.2 : xen (OVMSA-2018-0225) | Nessus | OracleVM Local Security Checks | medium |
110110 | OracleVM 3.3 : xen (OVMSA-2018-0224) (Meltdown) (Spectre) | Nessus | OracleVM Local Security Checks | medium |
109989 | OracleVM 3.4 : xen (OVMSA-2018-0221) | Nessus | OracleVM Local Security Checks | high |
109987 | OracleVM 3.4 : xen (OVMSA-2018-0218) (Meltdown) (Spectre) | Nessus | OracleVM Local Security Checks | high |
108886 | Citrix XenServer Multiple Vulnerabilities (CTX232096) | Nessus | Misc. | medium |
108369 | SUSE SLES11 Security Update : xen (SUSE-SU-2018:0678-1) (Meltdown) (Spectre) | Nessus | SuSE Local Security Checks | high |
107254 | SUSE SLES11 Security Update : xen (SUSE-SU-2018:0638-1) (Meltdown) (Spectre) | Nessus | SuSE Local Security Checks | high |
107144 | SUSE SLES12 Security Update : xen (SUSE-SU-2018:0609-1) (Meltdown) (Spectre) | Nessus | SuSE Local Security Checks | high |
107140 | SUSE SLES12 Security Update : xen (SUSE-SU-2018:0601-1) (Meltdown) (Spectre) | Nessus | SuSE Local Security Checks | high |
106901 | SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2018:0472-1) (Meltdown) (Spectre) | Nessus | SuSE Local Security Checks | high |
106864 | openSUSE Security Update : xen (openSUSE-2018-169) (Meltdown) (Spectre) | Nessus | SuSE Local Security Checks | high |
106834 | SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2018:0438-1) (Meltdown) (Spectre) | Nessus | SuSE Local Security Checks | high |
106820 | Debian DSA-4112-1 : xen - security update | Nessus | Debian Local Security Checks | medium |
106038 | GLSA-201801-14 : Xen: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | high |
105882 | Fedora 27 : xen (2017-5945560816) | Nessus | Fedora Local Security Checks | high |
105621 | Debian DLA-1230-1 : xen security update | Nessus | Debian Local Security Checks | high |
105617 | Citrix XenServer Multiple Vulnerabilities (CTX231390) (Meltdown)(Spectre) | Nessus | Misc. | medium |
105511 | Fedora 26 : xen (2017-16a414b3c5) | Nessus | Fedora Local Security Checks | high |
105490 | Xen PV Guests Internally Used Pages Access Handling Guest-to-Host Privilege Escalation (XSA-248) | Nessus | Misc. | medium |