High severity · published Apr 14, 2016
CVE-2015-8550
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…
8.2
CVSS
1.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SL
Suse Linux Enterprise Real Time Extension · Novell
12 · source: NVD
XE
Xen · Xen
All versions, or not specified · source: NVD
Affected product
SL
Suse Linux Enterprise Real Time Extension
Novell
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-8550
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-8550
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html
www.debian.org
http://www.debian.org/security/2016/dsa-3434
www.debian.org
http://www.debian.org/security/2016/dsa-3471
www.debian.org
http://www.debian.org/security/2016/dsa-3519
More from Suse Linux Enterprise Real Time Extension
9.8
CVE-2015-8812
drivers/infiniband/hw/cxgb3/iwch_cm.c in the Linux kernel before 4.5 does not properly identify error conditions, which allows remote attackers to execute arbitrary code or cause…
8.4
CVE-2016-3134
The netfilter subsystem in the Linux kernel through 4.5.2 does not validate certain offset fields, which allows local users to gain privileges or cause a denial of service (heap…
8.1
CVE-2016-3707
The icmp_check_sysrq function in net/ipv4/icmp.c in the kernel.org projects/rt patches for the Linux kernel, as used in the kernel-rt package before 3.10.0-327.22.1 in Red Hat…
7.8
CVE-2016-4997
The compat IPT_SO_SET_REPLACE and IP6T_SO_SET_REPLACE setsockopt implementations in the netfilter subsystem in the Linux kernel before 4.6.3 allow local users to gain privileges…
7.8
CVE-2016-5829
Multiple heap-based buffer overflows in the hiddev_ioctl_usage function in drivers/hid/usbhid/hiddev.c in the Linux kernel through 4.6.3 allow local users to cause a denial of…