In a Linux KVM guest that has PV TLB enabled, a process in the guest kernel may be able to read memory locations from another process in the same guest. This problem is limit to the host running linux kernel 4.10 with a guest running linux kernel 4.16 or later. The problem mainly affects AMD processors but Intel CPUs cannot be ruled out.
CVSS Details
- CVSS 3.1 Base Score: 6.2
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade python-perfUpgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade kernel-tools-develUpgrade kernel-develUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-toolsUpgrade kernel-livepatch-4.14.192-147.314Upgrade kernel-debuginfoUpgrade perfUpgrade kernel-headersUpgrade python-perf-debuginfoUpgrade perf-debuginfoUpgrade kernel-tools-debuginfo | Aug 25, 2020 | Jan 31, 2020 |
| Centos_linux | — | Upgrade kernelUpgrade kernel-rt | Jul 23, 2020 | Jan 31, 2020 |
| Debian | — | Upgrade linux | Jun 11, 2020 | Jan 31, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade kernel-develUpgrade python-perfUpgrade kernelUpgrade bpftoolUpgrade kernel-tools-libsUpgrade kernel-sourceUpgrade kernel-headersUpgrade perfUpgrade python3-perfUpgrade kernel-tools | Mar 24, 2020 | Jan 31, 2020 |
| Oracle_linux | — | Upgrade kernelUpgrade kernel-uek | Jul 25, 2020 | Jan 30, 2020 |
| Redhat Openshift | — | Upgrade redhat-coreos | Dec 29, 2020 | Jan 31, 2020 |
| Redhat_linux | — | Upgrade kernelUpgrade kernel-rt | Jul 23, 2020 | Jan 31, 2020 |
| Suse | — | Upgrade kernel-default | Feb 4, 2022 | Jan 31, 2020 |
| Ubuntu | — | Upgrade linux-image-5.3.0-1014-gkeUpgrade linux-image-raspi2Upgrade linux-image-5.3.0-42-lowlatencyUpgrade linux-image-5.3.0-42-generic-lpaeUpgrade linux-image-azureUpgrade linux-image-gke-5.0Upgrade linux-image-5.3.0-1014-gcpUpgrade linux-image-gcpUpgrade linux-image-azure-edgeUpgrade linux-image-5.0.0-1013-oracleUpgrade linux-image-5.3.0-1012-kvmUpgrade linux-image-5.3.0-1011-oracleUpgrade linux-image-5.3.0-1016-azureUpgrade linux-image-raspi2-hwe-18.04Upgrade linux-image-generic-lpae-hwe-18.04Upgrade linux-image-gcp-edgeUpgrade linux-image-generic-lpaeUpgrade linux-image-genericUpgrade linux-image-lowlatencyUpgrade linux-image-5.0.0-1035-azureUpgrade linux-image-5.3.0-42-snapdragonUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-5.0.0-1043-oem-osp1Upgrade linux-image-virtual-hwe-18.04Upgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-kvmUpgrade linux-image-oem-osp1Upgrade linux-image-5.3.0-42-genericUpgrade linux-image-5.0.0-1033-gcpUpgrade linux-image-5.0.0-1027-awsUpgrade linux-image-5.3.0-1013-awsUpgrade linux-image-oracleUpgrade linux-image-aws-edgeUpgrade linux-image-virtualUpgrade linux-image-5.0.0-1032-gkeUpgrade linux-image-gke-5.3Upgrade linux-image-gkeUpgrade linux-image-5.3.0-1019-raspi2Upgrade linux-image-snapdragonUpgrade linux-image-awsUpgrade linux-image-lowlatency-hwe-18.04 | Mar 17, 2020 | Jan 31, 2020 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Jan 31, 2020 |
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