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redhatcveRedhat.comRH:CVE-2018-1087
HistoryApr 08, 2020 - 8:05 p.m.

CVE-2018-1087

2020-04-0820:05:13
redhat.com
access.redhat.com
21

0.001 Low

EPSS

Percentile

31.1%

A flaw was found in the way the Linux kernel’s KVM hypervisor handled exceptions delivered after a stack switch operation via Mov SS or Pop SS instructions. During the stack switch operation, the processor did not deliver interrupts and exceptions, rather they are delivered once the first instruction after the stack switch is executed. An unprivileged KVM guest user could use this flaw to crash the guest or, potentially, escalate their privileges in the guest.