CVE-2017-15593MEDIUM
Description
An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service (memory leak) because reference counts are mishandled.
References
http://www.securitytracker.com/id/1039568
https://lists.debian.org/debian-lts-announce/2017/11/msg00027.html
https://lists.debian.org/debian-lts-announce/2018/10/msg00021.html
https://security.gentoo.org/glsa/201801-14
https://support.citrix.com/article/CTX228867
Details
Source: MITRE
Published: 2017-10-18
Updated: 2019-10-03
Type: CWE-772
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 4.9.0 (inclusive)
Tenable Plugins
| 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 |
| 118503 | Debian DLA-1559-1 : 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 |
| 106038 | GLSA-201801-14 : Xen: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | high |
| 105971 | Fedora 27 : xen (2017-c432db2971) | Nessus | Fedora Local Security Checks | high |
| 104819 | Debian DSA-4050-1 : xen - security update | Nessus | Debian Local Security Checks | high |
| 104708 | Debian DLA-1181-1 : xen security update | Nessus | Debian Local Security Checks | high |
| 104349 | openSUSE Security Update : xen (openSUSE-2017-1239) | Nessus | SuSE Local Security Checks | high |
| 104347 | Fedora 25 : xen (2017-d4709b0d8b) | Nessus | Fedora Local Security Checks | high |
| 104310 | Fedora 26 : xen (2017-5bcddc1984) | Nessus | Fedora Local Security Checks | high |
| 104255 | SUSE SLES12 Security Update : xen (SUSE-SU-2017:2873-1) | Nessus | SuSE Local Security Checks | high |
| 104252 | SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2017:2864-1) | Nessus | SuSE Local Security Checks | high |
| 104249 | OracleVM 3.4 : xen (OVMSA-2017-0166) | Nessus | OracleVM Local Security Checks | high |
| 104209 | SUSE SLES12 Security Update : xen (SUSE-SU-2017:2856-1) | Nessus | SuSE Local Security Checks | high |
| 104201 | OracleVM 3.2 / 3.3 / 3.4 : xen (OVMSA-2017-0162) | Nessus | OracleVM Local Security Checks | high |
| 104099 | SUSE SLES11 Security Update : xen (SUSE-SU-2017:2815-1) | Nessus | SuSE Local Security Checks | high |
| 104098 | SUSE SLES11 Security Update : xen (SUSE-SU-2017:2812-1) | Nessus | SuSE Local Security Checks | high |
| 104085 | openSUSE Security Update : xen (openSUSE-2017-1181) | Nessus | SuSE Local Security Checks | high |
| 103979 | Xen Hypervisor New CPU Interrupt Descriptor Table (IDT) Copy Handling Guest-to-Host Privilege Escalation (XSA-244) | Nessus | Misc. | high |
| 103978 | Xen Hypervisor Translated Guest Self-linear Shadow Mapping Handling Guest-to-Host Privilege Escalation (XSA-243) | Nessus | Misc. | high |
| 103977 | Xen Hypervisor Page Type Reference Handling Memory Exhaustion Guest-to-Host DoS (XSA-242) | Nessus | Misc. | high |
| 103976 | Xen Hypervisor TLB Flush Request Handling Race Condition System Memory Access Guest-to-Host Privilege Escalation (XSA-241) | Nessus | Misc. | high |
| 103975 | Xen Hypervisor Pagetable De-typing Recursion Handling Guest-to-Host DoS (XSA-240) | Nessus | Misc. | high |
| 103974 | Xen Hypervisor I/O Intercept Code Hypervisor Stack Guest-to-Host Information Disclosure (XSA-239) | Nessus | Misc. | high |
| 103973 | Xen Hypervisor Multiple Functions DMOP Handling Guest-to-Host DoS (XSA-238) | Nessus | Misc. | high |
| 103972 | Xen Hypervisor PCI MSI Interrupt Setup Multiple Guest-to-Host Privilege Escalation (XSA-237) | Nessus | Misc. | high |
| 103927 | Citrix XenServer Multiple Vulnerabilities (CTX228867) | Nessus | Misc. | high |