Release Date: | 2018-02-27 |
An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (host OS CPU hang) via non-preemptable L3/L4 pagetable freeing.
See more information about CVE-2018-7540 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.
Base Score: | 6.5 | Base Metrics: | AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |
Access Vector: | Local network | Attack Complexity: | Low |
Privileges Required: | Low | User Interaction: | None |
Scope: | Changed | Confidentiality Impact: | None |
Integrity Impact: | None | Availability Impact: | High |
Platform | Errata | Release Date |
Oracle VM version 3.2 (xen) | OVMSA-2018-0272 | 2018-11-13 |
Oracle VM version 3.3 (xen) | OVMSA-2018-0271 | 2018-11-13 |
Oracle VM version 3.4 (xen) | OVMSA-2018-0020 | 2018-03-02 |
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