A flaw was found in the Linux kernel before 5.8-rc1 in the implementation of the Enhanced IBPB (Indirect Branch Prediction Barrier). The IBPB mitigation will be disabled when STIBP is not available or when the Enhanced Indirect Branch Restricted Speculation (IBRS) is available. This flaw allows a local attacker to perform a Spectre V2 style attack when this configuration is active. The highest threat from this vulnerability is to confidentiality.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/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 perf-debuginfoUpgrade kernel-toolsUpgrade kernel-develUpgrade kernel-debuginfo-common-aarch64Upgrade perfUpgrade python-perfUpgrade kernel-livepatch-4.14.186-146.268Upgrade kernel-headersUpgrade kernel-livepatch-4.14.181-142.260Upgrade kernel-livepatch-4.14.181-142.260-debuginfoUpgrade kernelUpgrade kernel-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-devel | Jul 23, 2020 | Jul 23, 2020 |
| Amazon_linux | — | Upgrade kernel | Jul 18, 2020 | Jun 19, 2020 |
| Centos_linux | — | Upgrade kpatch-patch-4_18_0-193_6_3-debugsourceUpgrade kpatch-patch-4_18_0-193_1_2Upgrade kernelUpgrade kpatch-patch-4_18_0-193_6_3-debuginfoUpgrade kpatch-patch-4_18_0-193_1_2-debugsourceUpgrade kpatch-patch-4_18_0-193-debuginfoUpgrade kpatch-patch-4_18_0-193_6_3Upgrade kernel-rtUpgrade kpatch-patch-4_18_0-193Upgrade kpatch-patch-4_18_0-193-debugsourceUpgrade kpatch-patch-4_18_0-193_1_2-debuginfo | Jul 23, 2020 | Jul 21, 2020 |
| Debian | — | Upgrade linux | Aug 17, 2020 | Aug 17, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade kernel-tools-libsUpgrade kernel-develUpgrade bpftoolUpgrade kernel-toolsUpgrade kernelUpgrade python3-perfUpgrade python-perfUpgrade perfUpgrade kernel-sourceUpgrade kernel-headers | Jul 31, 2020 | Jul 30, 2020 |
| Oracle_linux | — | Upgrade kernelUpgrade kernel-uek | Jul 25, 2020 | Jun 9, 2020 |
| Redhat Openshift | — | Upgrade redhat-coreos | Dec 29, 2020 | Sep 15, 2020 |
| Redhat_linux | — | Upgrade kernelUpgrade kernel-rt | Jul 23, 2020 | Jul 21, 2020 |
| Suse | — | Upgrade kernel-obs-buildUpgrade kernel-defaultUpgrade kernel-docsUpgrade kernel-default-extra | Jun 20, 2020 | Jun 19, 2020 |
| Ubuntu | — | Upgrade linux-image-generic-hwe-18.04Upgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-azureUpgrade linux-image-raspiUpgrade linux-image-4.4.0-186-generic-lpaeUpgrade linux-image-gke-5.3Upgrade linux-image-azure-edgeUpgrade linux-image-gcp-lts-18.04Upgrade linux-image-4.4.0-1075-awsUpgrade linux-image-5.3.0-1032-awsUpgrade linux-image-5.3.0-64-lowlatencyUpgrade linux-image-powerpc-e500mc-lts-xenialUpgrade linux-image-5.4.0-1022-oracleUpgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-generic-lpae-lts-xenialUpgrade linux-image-4.15.0-1051-oracleUpgrade linux-image-gke-5.0Upgrade linux-image-oracle-lts-18.04Upgrade linux-image-raspi2Upgrade linux-image-aws-lts-18.04Upgrade linux-image-4.15.0-115-lowlatencyUpgrade linux-image-5.3.0-1030-raspi2Upgrade linux-image-kvmUpgrade linux-image-4.4.0-1140-snapdragonUpgrade linux-image-powerpc64-smp-lts-xenialUpgrade linux-image-powerpc64-smpUpgrade linux-image-gcpUpgrade linux-image-5.3.0-64-generic-lpaeUpgrade linux-image-4.4.0-186-powerpc64-embUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-5.0.0-1065-oem-osp1Upgrade linux-image-4.15.0-1068-raspi2Upgrade linux-image-4.15.0-1081-gcpUpgrade linux-image-gke-5.4Upgrade linux-image-5.3.0-1030-oracleUpgrade linux-image-5.4.0-1023-azureUpgrade linux-image-awsUpgrade linux-image-4.4.0-1111-awsUpgrade linux-image-powerpc64-emb-lts-xenialUpgrade linux-image-4.4.0-186-lowlatencyUpgrade linux-image-5.0.0-1045-gkeUpgrade linux-image-5.3.0-1034-azureUpgrade linux-image-4.15.0-1094-oemUpgrade linux-image-generic-lpae-hwe-16.04Upgrade linux-image-4.4.0-1136-raspi2Upgrade linux-image-5.4.0-1022-awsUpgrade linux-image-raspi-hwe-18.04Upgrade linux-image-4.4.0-186-powerpc-e500mcUpgrade linux-image-oem-osp1Upgrade linux-image-5.4.0-1016-raspiUpgrade linux-image-snapdragonUpgrade linux-image-gkeop-5.3Upgrade linux-image-powerpc-smp-lts-xenialUpgrade linux-image-virtual-lts-xenialUpgrade linux-image-5.4.0-45-generic-lpaeUpgrade linux-image-4.15.0-1072-kvmUpgrade linux-image-gkeop-5.4Upgrade linux-image-raspi2-hwe-18.04Upgrade linux-image-generic-hwe-16.04Upgrade linux-image-4.15.0-1067-gkeUpgrade linux-image-powerpc-smpUpgrade linux-image-4.15.0-1080-awsUpgrade linux-image-powerpc-e500mcUpgrade linux-image-4.4.0-186-powerpc64-smpUpgrade linux-image-aws-hweUpgrade linux-image-genericUpgrade linux-image-azure-lts-18.04Upgrade linux-image-virtualUpgrade linux-image-generic-lts-xenialUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-gkeUpgrade linux-image-4.4.0-186-genericUpgrade linux-image-4.15.0-115-generic-lpaeUpgrade linux-image-generic-lpae-hwe-18.04Upgrade linux-image-5.4.0-1022-gcpUpgrade linux-image-lowlatencyUpgrade linux-image-virtual-hwe-16.04Upgrade linux-image-powerpc64-embUpgrade linux-image-5.3.0-1032-gkeUpgrade linux-image-oracleUpgrade linux-image-4.15.0-1093-azureUpgrade linux-image-5.4.0-45-lowlatencyUpgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-4.4.0-1077-kvmUpgrade linux-image-aws-edgeUpgrade linux-image-oemUpgrade linux-image-4.4.0-186-powerpc-smpUpgrade linux-image-5.4.0-45-genericUpgrade linux-image-4.15.0-1084-snapdragonUpgrade linux-image-5.3.0-1032-gcpUpgrade linux-image-5.3.0-64-genericUpgrade linux-image-generic-lpaeUpgrade linux-image-gke-4.15Upgrade linux-image-4.15.0-115-generic | Aug 5, 2020 | Jun 19, 2020 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Sep 15, 2020 |
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