Home/CVE/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
CVE

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

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.

HIGH · CVSS 7.8 EPSS 0.00018
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
▤

Affected Products & Versions

3
xenall versions
citrix xenserverall versions
debian linuxall versions
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD24 Aug 2017 · 02:29 PM
CVSS VectorCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
⚑

Vendor Advisories

4
suse-csafopenSUSE-SU-2024:11520-1
suse-csafSUSE-SU-2017:2327-1
suse-csafSUSE-SU-2017:2327-2
suse-csafSUSE-SU-2017:2326-1
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.debian.org/security/2017/dsa-3969Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/08/15/3Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/100346Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039175Third Party AdvisoryVDB Entry
http://xenbits.xen.org/xsa/advisory-228.htmlPatchVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1477651Issue TrackingPatchThird Party Advisory
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