Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2018-1087

Execution with Unnecessary Privileges

Published: May 15, 2018 | Modified: Nov 21, 2024
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
4.6 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
8 IMPORTANT
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Ubuntu
HIGH
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2018-1087
CWEhttps://cwe.mitre.org/data/definitions/250.html

kernel KVM before versions kernel 4.16, kernel 4.16-rc7, kernel 4.17-rc1, kernel 4.17-rc2 and kernel 4.17-rc3 is vulnerable to a flaw in the way the Linux kernels 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.

Weakness

The product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses.

Affected Software

NameVendorStart VersionEnd Version
Linux_kernelLinux4.16 (including)4.16 (including)
Linux_kernelLinux4.16-rc7 (including)4.16-rc7 (including)
Linux_kernelLinux4.17-rc1 (including)4.17-rc1 (including)
Linux_kernelLinux4.17-rc2 (including)4.17-rc2 (including)
Linux_kernelLinux4.17-rc3 (including)4.17-rc3 (including)
Red Hat Enterprise Linux 7RedHatkernel-rt-0:3.10.0-862.2.3.rt56.806.el7*
Red Hat Enterprise Linux 7RedHatkernel-0:3.10.0-862.2.3.el7*
Red Hat Enterprise Linux 7.2 Advanced Update SupportRedHatkernel-0:3.10.0-327.66.3.el7*
Red Hat Enterprise Linux 7.2 Telco Extended Update SupportRedHatkernel-0:3.10.0-327.66.3.el7*
Red Hat Enterprise Linux 7.2 Update Services for SAP SolutionsRedHatkernel-0:3.10.0-327.66.3.el7*
Red Hat Enterprise Linux 7.3 Extended Update SupportRedHatkernel-0:3.10.0-514.48.3.el7*
Red Hat Enterprise Linux 7.4 Extended Update SupportRedHatkernel-0:3.10.0-693.25.4.el7*
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7RedHatimgbased-0:1.0.16-0.1.el7ev*
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7RedHatovirt-node-ng-0:4.2.0-0.20170814.0.el7*
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7RedHatredhat-release-virtualization-host-0:4.2-3.0.el7*
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7RedHatredhat-virtualization-host-0:4.2-20180508.0*
RHEV 3.X Hypervisor and Agents for RHEL-6RedHatrhev-hypervisor7-0:7.3-20180521.1.el6ev*
RHEV 3.X Hypervisor and Agents for RHEL-7 ELSRedHatredhat-virtualization-host-0:3.6-20180521.0*
RHEV 3.X Hypervisor and Agents for RHEL-7 ELSRedHatrhev-hypervisor7-0:7.3-20180521.1.el7ev*
LinuxUbuntuartful*
LinuxUbuntuesm-infra-legacy/trusty*
LinuxUbuntuesm-infra/xenial*
LinuxUbuntutrusty*
LinuxUbuntutrusty/esm*
LinuxUbuntuupstream*
LinuxUbuntuxenial*
Linux-awsUbuntuesm-infra-legacy/trusty*
Linux-awsUbuntuesm-infra/xenial*
Linux-awsUbuntutrusty*
Linux-awsUbuntutrusty/esm*
Linux-awsUbuntuupstream*
Linux-awsUbuntuxenial*
Linux-aws-5.15Ubuntuupstream*
Linux-aws-5.4Ubuntuupstream*
Linux-aws-6.8Ubuntuupstream*
Linux-aws-fipsUbuntutrusty*
Linux-aws-fipsUbuntuupstream*
Linux-aws-fipsUbuntuxenial*
Linux-aws-hweUbuntuupstream*
Linux-azureUbuntuesm-infra/xenial*
Linux-azureUbuntuupstream*
Linux-azureUbuntuxenial*
Linux-azure-4.15Ubuntuupstream*
Linux-azure-5.15Ubuntuupstream*
Linux-azure-5.4Ubuntuupstream*
Linux-azure-6.8Ubuntuupstream*
Linux-azure-fdeUbuntuesm-infra/focal*
Linux-azure-fdeUbuntufocal*
Linux-azure-fdeUbuntuupstream*
Linux-azure-fde-5.15Ubuntuupstream*
Linux-azure-fipsUbuntutrusty*
Linux-azure-fipsUbuntuupstream*
Linux-azure-fipsUbuntuxenial*
Linux-bluefieldUbuntuupstream*
Linux-euclidUbuntuupstream*
Linux-euclidUbuntuxenial*
Linux-fipsUbuntufips-updates/xenial*
Linux-fipsUbuntufips/xenial*
Linux-fipsUbuntuupstream*
Linux-floUbuntutrusty*
Linux-floUbuntuupstream*
Linux-floUbuntuxenial*
Linux-gcpUbuntuesm-infra/xenial*
Linux-gcpUbuntuupstream*
Linux-gcpUbuntuxenial*
Linux-gcp-4.15Ubuntuupstream*
Linux-gcp-5.15Ubuntuupstream*
Linux-gcp-5.4Ubuntuupstream*
Linux-gcp-6.8Ubuntuupstream*
Linux-gcp-fipsUbuntutrusty*
Linux-gcp-fipsUbuntuupstream*
Linux-gcp-fipsUbuntuxenial*
Linux-gkeUbuntuesm-infra/focal*
Linux-gkeUbuntufocal*
Linux-gkeUbuntuupstream*
Linux-gkeUbuntuxenial*
Linux-gkeopUbuntuupstream*
Linux-gkeop-5.15Ubuntuupstream*
Linux-goldfishUbuntutrusty*
Linux-goldfishUbuntuupstream*
Linux-goldfishUbuntuxenial*
Linux-grouperUbuntutrusty*
Linux-grouperUbuntuupstream*
Linux-hweUbuntuesm-infra/xenial*
Linux-hweUbuntuupstream*
Linux-hweUbuntuxenial*
Linux-hwe-5.15Ubuntuupstream*
Linux-hwe-5.4Ubuntuupstream*
Linux-hwe-6.8Ubuntuupstream*
Linux-hwe-edgeUbuntuesm-infra/xenial*
Linux-hwe-edgeUbuntuupstream*
Linux-hwe-edgeUbuntuxenial*
Linux-ibmUbuntuupstream*
Linux-ibm-5.15Ubuntuupstream*
Linux-ibm-5.4Ubuntuupstream*
Linux-intelUbuntuupstream*
Linux-intel-iot-realtimeUbuntujammy*
Linux-intel-iot-realtimeUbuntuupstream*
Linux-intel-iotgUbuntuupstream*
Linux-intel-iotg-5.15Ubuntuupstream*
Linux-iotUbuntuupstream*
Linux-kvmUbuntuesm-infra/xenial*
Linux-kvmUbuntuupstream*
Linux-kvmUbuntuxenial*
Linux-lowlatencyUbuntuupstream*
Linux-lowlatency-hwe-5.15Ubuntuupstream*
Linux-lowlatency-hwe-6.8Ubuntuupstream*
Linux-lts-trustyUbuntuupstream*
Linux-lts-utopicUbuntutrusty*
Linux-lts-utopicUbuntuupstream*
Linux-lts-vividUbuntutrusty*
Linux-lts-vividUbuntuupstream*
Linux-lts-wilyUbuntutrusty*
Linux-lts-wilyUbuntuupstream*
Linux-lts-xenialUbuntuesm-infra-legacy/trusty*
Linux-lts-xenialUbuntutrusty*
Linux-lts-xenialUbuntutrusty/esm*
Linux-lts-xenialUbuntuupstream*
Linux-maguroUbuntutrusty*
Linux-maguroUbuntuupstream*
Linux-makoUbuntutrusty*
Linux-makoUbuntuupstream*
Linux-makoUbuntuxenial*
Linux-mantaUbuntutrusty*
Linux-mantaUbuntuupstream*
Linux-nvidiaUbuntuupstream*
Linux-nvidia-6.5Ubuntuupstream*
Linux-nvidia-6.8Ubuntuupstream*
Linux-nvidia-lowlatencyUbuntuupstream*
Linux-oemUbuntuupstream*
Linux-oemUbuntuxenial*
Linux-oem-6.11Ubuntuupstream*
Linux-oem-6.8Ubuntuupstream*
Linux-oracleUbuntuupstream*
Linux-oracle-5.15Ubuntuupstream*
Linux-oracle-5.4Ubuntuupstream*
Linux-oracle-6.8Ubuntuupstream*
Linux-raspiUbuntuupstream*
Linux-raspi-5.4Ubuntuupstream*
Linux-raspi-realtimeUbuntunoble*
Linux-raspi-realtimeUbuntuupstream*
Linux-raspi2Ubuntuesm-infra/focal*
Linux-raspi2Ubuntufocal*
Linux-raspi2Ubuntuupstream*
Linux-realtimeUbuntujammy*
Linux-realtimeUbuntuupstream*
Linux-riscvUbuntuesm-infra/focal*
Linux-riscvUbuntufocal*
Linux-riscvUbuntujammy*
Linux-riscvUbuntuupstream*
Linux-riscv-5.15Ubuntuupstream*
Linux-riscv-6.8Ubuntuupstream*
Linux-snapdragonUbuntuupstream*
Linux-xilinx-zynqmpUbuntuupstream*

Potential Mitigations

References

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