Xen 3.1 through 4.x, when running 64-bit hosts on Intel CPUs, does not clear the NT flag when using an IRET after a SYSENTER instruction, which allows PV guest users to cause a denial of service (hypervisor crash) by triggering a #GP fault, which is not properly handled by another IRET instruction.
Metrics
Affected Vendors & Products
Advisories
| Source | ID | Title |
|---|---|---|
Debian DSA |
DSA-2662-1 | xen security update |
EUVD |
EUVD-2013-1911 | Xen 3.1 through 4.x, when running 64-bit hosts on Intel CPUs, does not clear the NT flag when using an IRET after a SYSENTER instruction, which allows PV guest users to cause a denial of service (hypervisor crash) by triggering a #GP fault, which is not properly handled by another IRET instruction. |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
No history.
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2024-08-06T15:20:37.316Z
Reserved: 2013-02-19T00:00:00
Link: CVE-2013-1917
No data.
Status : Deferred
Published: 2013-05-13T23:55:01.757
Modified: 2025-04-11T00:51:21.963
Link: CVE-2013-1917
OpenCVE Enrichment
No data.
Debian DSA
EUVD