High severity8.2NVD Advisory· Published Apr 14, 2016· Updated Jun 17, 2026

CVE-2015-8550

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

115

Novell/Suse Linux Enterprise Real Time Extension
cpe:2.3:o:novell:suse_linux_enterprise_real_time_extension:12:sp1:*:*:*:*:*:*
Xen/Xen2 versions
cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*
- (no CPE)
osv-coords112 versions
pkg:rpm/opensuse/xen&distro=openSUSE%20Tumbleweed pkg:rpm/suse/kernel-bigsmp&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/kernel-bigsmp&distro=SUSE%20Manager%202.1 pkg:rpm/suse/kernel-bigsmp&distro=SUSE%20Manager%20Proxy%202.1 pkg:rpm/suse/kernel-bigsmp&distro=SUSE%20OpenStack%20Cloud%205 pkg:rpm/suse/kernel-compute_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP1 pkg:rpm/suse/kernel-compute&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Desktop%2012 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Manager%202.1 pkg:rpm/suse/kernel-default&distro=SUSE%20Manager%20Proxy%202.1 pkg:rpm/suse/kernel-default&distro=SUSE%20OpenStack%20Cloud%205 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1 pkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2012 pkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/kernel-ec2&distro=SUSE%20Manager%202.1 pkg:rpm/suse/kernel-ec2&distro=SUSE%20Manager%20Proxy%202.1 pkg:rpm/suse/kernel-ec2&distro=SUSE%20OpenStack%20Cloud%205 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1 pkg:rpm/suse/kernel-pae&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP4 pkg:rpm/suse/kernel-pae&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/kernel-pae&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/kernel-pae&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/kernel-ppc64&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/kernel-ppc64&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP1 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP1 pkg:rpm/suse/kernel-rt_trace&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP4 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Desktop%2012 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/kernel-source&distro=SUSE%20Manager%202.1 pkg:rpm/suse/kernel-source&distro=SUSE%20Manager%20Proxy%202.1 pkg:rpm/suse/kernel-source&distro=SUSE%20OpenStack%20Cloud%205 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP1 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP4 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Desktop%2012 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/kernel-syms&distro=SUSE%20Manager%202.1 pkg:rpm/suse/kernel-syms&distro=SUSE%20Manager%20Proxy%202.1 pkg:rpm/suse/kernel-syms&distro=SUSE%20OpenStack%20Cloud%205 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP1 pkg:rpm/suse/kernel-trace&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP4 pkg:rpm/suse/kernel-trace&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/kernel-trace&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/kernel-trace&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/kernel-trace&distro=SUSE%20Manager%202.1 pkg:rpm/suse/kernel-trace&distro=SUSE%20Manager%20Proxy%202.1 pkg:rpm/suse/kernel-trace&distro=SUSE%20OpenStack%20Cloud%205 pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP4 pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Desktop%2012 pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1 pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%2012 pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1 pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012 pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/kernel-xen&distro=SUSE%20Manager%202.1 pkg:rpm/suse/kernel-xen&distro=SUSE%20Manager%20Proxy%202.1 pkg:rpm/suse/kernel-xen&distro=SUSE%20OpenStack%20Cloud%205 pkg:rpm/suse/kgraft-patch-SLE12-SP1_Update_3&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012 pkg:rpm/suse/kgraft-patch-SLE12_Update_10&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012 pkg:rpm/suse/lttng-modules&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1 pkg:rpm/suse/lttng-modules&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP4 pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Desktop%2012 pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1 pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSS pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012 pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1 pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012 pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4 pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012 pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1
< 4.7.0_12-1.3+ 111 more
- (no CPE)range: < 4.7.0_12-1.3
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.12.58-14.1
- (no CPE)range: < 3.12.58-14.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.12.51-52.34.1
- (no CPE)range: < 3.12.53-60.30.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.12.51-52.34.1
- (no CPE)range: < 3.12.53-60.30.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.12.51-52.34.1
- (no CPE)range: < 3.12.53-60.30.1
- (no CPE)range: < 3.12.51-52.34.1
- (no CPE)range: < 3.12.53-60.30.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-71.2
- (no CPE)range: < 3.12.51-52.34.3
- (no CPE)range: < 3.12.53-60.30.2
- (no CPE)range: < 3.12.51-52.34.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.12.51-52.34.1
- (no CPE)range: < 3.12.53-60.30.2
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.12.58-14.1
- (no CPE)range: < 3.0.101.rt130-51.1
- (no CPE)range: < 3.12.58-14.1
- (no CPE)range: < 3.0.101.rt130-51.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.12.51-52.34.1
- (no CPE)range: < 3.12.53-60.30.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.12.51-52.34.1
- (no CPE)range: < 3.12.53-60.30.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.12.51-52.34.1
- (no CPE)range: < 3.12.53-60.30.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101.rt130-51.1
- (no CPE)range: < 3.12.58-14.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.12.51-52.34.1
- (no CPE)range: < 3.12.53-60.30.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.12.51-52.34.1
- (no CPE)range: < 3.12.53-60.30.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.12.51-52.34.1
- (no CPE)range: < 3.12.53-60.30.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101.rt130-51.1
- (no CPE)range: < 3.12.58-14.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.12.51-52.34.1
- (no CPE)range: < 3.12.53-60.30.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.12.51-52.34.1
- (no CPE)range: < 3.12.53-60.30.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.12.51-52.34.1
- (no CPE)range: < 3.12.53-60.30.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 1-2.1
- (no CPE)range: < 1-2.1
- (no CPE)range: < 2.7.0-3.1
- (no CPE)range: < 2.7.0-3.1
- (no CPE)range: < 4.4.4_02-32.1
- (no CPE)range: < 4.4.4_02-22.19.1
- (no CPE)range: < 4.5.2_06-7.1
- (no CPE)range: < 4.1.6_08-26.1
- (no CPE)range: < 4.2.5_20-24.9
- (no CPE)range: < 4.4.4_02-32.1
- (no CPE)range: < 4.4.4_02-22.19.1
- (no CPE)range: < 4.5.2_06-7.1
- (no CPE)range: < 4.4.4_02-32.1
- (no CPE)range: < 4.4.4_02-22.19.1
- (no CPE)range: < 4.5.2_06-7.1
- (no CPE)range: < 4.4.4_02-32.1
- (no CPE)range: < 4.4.4_02-22.19.1
- (no CPE)range: < 4.5.2_06-7.1

Patches

Vulnerability mechanics

References

lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.htmlnvdThird Party Advisory
www.securityfocus.com/bid/79592nvdThird Party AdvisoryVDB Entry
www.securitytracker.com/id/1034479nvdThird Party AdvisoryVDB Entry
xenbits.xen.org/xsa/advisory-155.htmlnvdVendor Advisory
lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.htmlnvd
lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.htmlnvd
www.debian.org/security/2016/dsa-3434nvd
www.debian.org/security/2016/dsa-3471nvd
www.debian.org/security/2016/dsa-3519nvd
www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlnvd
security.gentoo.org/glsa/201604-03nvd

News mentions

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cvss	0.533
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000