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 python-perfUpgrade kernel-toolsUpgrade perf-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade perfUpgrade kernel-develUpgrade kernelUpgrade kernel-livepatch-4.14.181-142.260-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-livepatch-4.14.186-146.268Upgrade kernel-livepatch-4.14.181-142.260Upgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade kernel-tools-develUpgrade python-perf-debuginfoUpgrade kernel-headers | 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_1_2-debuginfoUpgrade kernel-rtUpgrade kpatch-patch-4_18_0-193Upgrade kpatch-patch-4_18_0-193-debugsourceUpgrade kpatch-patch-4_18_0-193_6_3Upgrade kpatch-patch-4_18_0-193-debuginfoUpgrade kpatch-patch-4_18_0-193_6_3-debuginfoUpgrade kpatch-patch-4_18_0-193_1_2-debugsourceUpgrade kpatch-patch-4_18_0-193_6_3-debugsourceUpgrade kpatch-patch-4_18_0-193_1_2Upgrade kernel | Jul 23, 2020 | Jul 21, 2020 |
| Debian | — | Upgrade linux | Aug 17, 2020 | Aug 17, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade kernel-toolsUpgrade kernelUpgrade kernel-develUpgrade kernel-tools-libsUpgrade bpftoolUpgrade python-perfUpgrade kernel-headersUpgrade python3-perfUpgrade perfUpgrade kernel-source | 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-default-extraUpgrade kernel-obs-buildUpgrade kernel-docsUpgrade kernel-default | Jun 20, 2020 | Jun 19, 2020 |
| Ubuntu | — | Upgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-gkeUpgrade linux-image-4.4.0-1077-kvmUpgrade linux-image-5.3.0-1032-gkeUpgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-powerpc64-embUpgrade linux-image-5.4.0-1022-gcpUpgrade linux-image-azure-lts-18.04Upgrade linux-image-powerpc-smpUpgrade linux-image-genericUpgrade linux-image-5.4.0-45-lowlatencyUpgrade linux-image-virtual-hwe-16.04Upgrade linux-image-4.15.0-1072-kvmUpgrade linux-image-5.3.0-1032-gcpUpgrade linux-image-4.15.0-115-genericUpgrade linux-image-4.15.0-1080-awsUpgrade linux-image-generic-hwe-16.04Upgrade linux-image-4.4.0-186-powerpc-smpUpgrade linux-image-aws-hweUpgrade linux-image-5.3.0-64-genericUpgrade linux-image-gkeop-5.4Upgrade linux-image-4.4.0-186-genericUpgrade linux-image-virtualUpgrade linux-image-generic-lts-xenialUpgrade linux-image-4.15.0-1067-gkeUpgrade linux-image-raspi2-hwe-18.04Upgrade linux-image-generic-lpae-hwe-18.04Upgrade linux-image-powerpc-e500mcUpgrade linux-image-5.4.0-45-generic-lpaeUpgrade linux-image-4.15.0-1084-snapdragonUpgrade linux-image-4.4.0-186-powerpc64-smpUpgrade linux-image-5.4.0-45-genericUpgrade linux-image-generic-lpaeUpgrade linux-image-gke-4.15Upgrade linux-image-oracleUpgrade linux-image-4.15.0-115-generic-lpaeUpgrade linux-image-4.15.0-1093-azureUpgrade linux-image-aws-edgeUpgrade linux-image-lowlatencyUpgrade linux-image-oemUpgrade linux-image-4.15.0-1081-gcpUpgrade linux-image-5.0.0-1045-gkeUpgrade linux-image-gke-5.0Upgrade linux-image-oem-osp1Upgrade linux-image-raspi-hwe-18.04Upgrade linux-image-4.15.0-1068-raspi2Upgrade linux-image-aws-lts-18.04Upgrade linux-image-5.3.0-1030-raspi2Upgrade linux-image-4.4.0-1140-snapdragonUpgrade linux-image-gke-5.4Upgrade linux-image-powerpc64-emb-lts-xenialUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-5.4.0-1022-oracleUpgrade linux-image-gkeop-5.3Upgrade linux-image-gcp-lts-18.04Upgrade linux-image-gcpUpgrade linux-image-5.4.0-1023-azureUpgrade linux-image-raspiUpgrade linux-image-5.3.0-64-lowlatencyUpgrade linux-image-4.15.0-1094-oemUpgrade linux-image-powerpc-smp-lts-xenialUpgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-4.4.0-186-generic-lpaeUpgrade linux-image-kvmUpgrade linux-image-4.4.0-186-lowlatencyUpgrade linux-image-4.15.0-1051-oracleUpgrade linux-image-powerpc-e500mc-lts-xenialUpgrade linux-image-powerpc64-smp-lts-xenialUpgrade linux-image-virtual-lts-xenialUpgrade linux-image-5.0.0-1065-oem-osp1Upgrade linux-image-4.4.0-1075-awsUpgrade linux-image-generic-lpae-hwe-16.04Upgrade linux-image-generic-lpae-lts-xenialUpgrade linux-image-azure-edgeUpgrade linux-image-5.4.0-1022-awsUpgrade linux-image-4.4.0-186-powerpc-e500mcUpgrade linux-image-azureUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-awsUpgrade linux-image-5.3.0-1034-azureUpgrade linux-image-oracle-lts-18.04Upgrade linux-image-5.3.0-64-generic-lpaeUpgrade linux-image-4.15.0-115-lowlatencyUpgrade linux-image-powerpc64-smpUpgrade linux-image-raspi2Upgrade linux-image-4.4.0-1111-awsUpgrade linux-image-5.3.0-1030-oracleUpgrade linux-image-4.4.0-1136-raspi2Upgrade linux-image-snapdragonUpgrade linux-image-5.4.0-1016-raspiUpgrade linux-image-5.3.0-1032-awsUpgrade linux-image-4.4.0-186-powerpc64-embUpgrade linux-image-gke-5.3 | 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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