High severity · published Dec 12, 2017
CVE-2017-17564
An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service (host OS crash) or gain host OS privileges by leveraging incorrect error handling…
7.8
CVSS
0.4%
EPSS
No
On KEV
Description
An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service (host OS crash) or gain host OS privileges by leveraging incorrect error handling for reference counting in shadow mode.
CVSS vector
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XE
Xen · Xen
through 4.9.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-17564
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-17564
Mailing List
http://www.openwall.com/lists/oss-security/2017/12/12/3
www.securityfocus.com
http://www.securityfocus.com/bid/102172
www.securitytracker.com
http://www.securitytracker.com/id/1040770
lists.debian.org
https://lists.debian.org/debian-lts-announce/2018/01/msg00003.html
lists.debian.org
https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html
security.gentoo.org
https://security.gentoo.org/glsa/201801-14
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