Medium severity · published Oct 18, 2017
CVE-2017-15596
An issue was discovered in Xen 4.4.x through 4.9.x allowing ARM guest OS users to cause a denial of service (prevent physical CPU usage) because of lock mishandling upon detection…
6.0
CVSS
0.4%
EPSS
No
On KEV
Description
An issue was discovered in Xen 4.4.x through 4.9.x allowing ARM guest OS users to cause a denial of service (prevent physical CPU usage) because of lock mishandling upon detection of an add-to-physmap error.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XE
Xen · Xen
4.4.0; 4.4.0; 4.4.0; 4.4.0; 4.4.0; 4.4.0; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-15596
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-15596
www.debian.org
http://www.debian.org/security/2017/dsa-3969
Third Party Advisory
http://www.securitytracker.com/id/1039568
Mitigation
https://xenbits.xen.org/xsa/advisory-235.html
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