Home CVE Database CVE-2018-18021

CVE-2018-18021

Description

arch/arm64/kvm/guest.c in KVM in the Linux kernel before 4.18.12 on the arm64 platform mishandles the KVM_SET_ON_REG ioctl. This is exploitable by attackers who can create virtual machines. An attacker can arbitrarily redirect the hypervisor flow of control (with full register control). An attacker can also cause a denial of service (hypervisor panic) via an illegal exception return. This occurs because of insufficient restrictions on userspace access to the core register file, and because PSTATE.M validation does not prevent unintended execution modes.

Priority: LOW
CVSS v3: 7.1
Publish Date: Oct 7, 2018
Related ID: --
CVSS v2: HIGH
Modified Date: Oct 7, 2018

Find out more about CVE-2018-18021 from the MITRE-CVE dictionary and NIST NVD


Products Affected

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Product Name Status Defect Fixed Downloads
Linux
Wind River Linux LTS 17 Fixed LIN10-4796
10.17.41.13 Wind River Linux LTS 10.17.41.13
Wind River Linux LTS 10.17.41.14
Wind River Linux LTS 10.17.41.15
Wind River Linux LTS 10.17.41.16
Wind River Linux LTS 10.17.41.17
Wind River Linux LTS 10.17.41.18
Wind River Linux LTS 10.17.41.20
Wind River Linux LTS 10.17.41.21
Wind River Linux LTS 10.17.41.22
Wind River Linux 9 Fixed LIN9-7560
9.0.0.20 --
Wind River Linux 8 Fixed LIN8-9876
8.0.0.29 --
Wind River Linux LTS 18 Not Vulnerable -- -- --
Wind River Linux LTS 19 Not Vulnerable -- -- --
Wind River Linux CD release Not Vulnerable -- -- --
VxWorks
VxWorks 7 Not Vulnerable -- -- --
VxWorks 6.9 Not Vulnerable -- -- --

Related Products

Product Name Status Defect Fixed Downloads
Linux 7 SCP Fixed -- 7.0.0.30 --
Linux 7 CGP Not Vulnerable -- -- --

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