CVE-2016-9381
xen: qemu incautious about shared ring processing (XSA-197)
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Severity
ImportantRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · November 22, 2016
Updated · May 13, 2026
Description
Race condition in QEMU in Xen allows local x86 HVM guest OS administrators to gain privileges by changing certain data on shared rings, aka a "double fetch" vulnerability.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 7.5CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS 2.0 · 6AV:N/AC:M/Au:S/C:P/I:P/A:P
CWE not specified