7.0
High
CVE-2018-10853 A flaw was found in the way Linux kernel KVM hypervisor before 4.18 emulated instructions such as…
Description
A flaw was found in the way Linux kernel KVM hypervisor before 4.18 emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilege(CPL) level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw to potentially escalate privileges inside guest.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| kernel | 4.18 | No fix stated |
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