PT-2018-10143 · Linux+5 · Linux Kernel Kvm Hypervisor+5
Andy Lutomirski
+1
·
Publicado
2018-06-19
·
Atualizado
2019-10-03
·
CVE-2018-10853
CVSS v3.1
7.8
Alta
| Vetor | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel KVM hypervisor versions prior to 4.18
Description
A flaw was found in the way Linux kernel KVM hypervisor emulated certain instructions. It did not check the current privilege level while emulating unprivileged instructions, which could allow an unprivileged guest user or process to potentially escalate privileges inside the guest.
Recommendations
For versions prior to 4.18, update to version 4.18 or later to resolve the issue. As a temporary workaround, consider restricting access to unprivileged instructions until a patch is available.
Correção
Improper Privilege Management
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Identificadores relacionados
Produtos afetados
Alt Linux
Centos
Linux Kernel Kvm Hypervisor
Red Hat
Suse
Ubuntu