High severity · published Aug 24, 2017
CVE-2017-12136
Race condition in the grant table code in Xen 4.6.x through 4.9.x allows local guest OS administrators to cause a denial of service (free list corruption and host crash) or gain…
7.8
CVSS
0.3%
EPSS
No
On KEV
Description
Race condition in the grant table code in Xen 4.6.x through 4.9.x allows local guest OS administrators to cause a denial of service (free list corruption and host crash) or gain privileges on the host via vectors involving maptrack free list handling.
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)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
XE
Xen · Xen
4.6.0; 4.6.1; 4.6.3; 4.6.4; 4.6.5; 4.6.6; +7 more · source: NVD
XE
Xenserver · Citrix
6.0.2; 6.2.0; 6.5; 7.0; 7.1; 7.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-12136
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-12136
Third Party Advisory
http://www.debian.org/security/2017/dsa-3969
Mailing List
http://www.openwall.com/lists/oss-security/2017/08/15/3
Third Party Advisory
http://www.securityfocus.com/bid/100346
Third Party Advisory
http://www.securitytracker.com/id/1039175
Patch
http://xenbits.xen.org/xsa/advisory-228.html
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1477651
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