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 kernel-livepatch-4.14.181-142.260-debuginfoUpgrade kernel-livepatch-4.14.186-146.268Upgrade kernelUpgrade kernel-tools-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-debuginfoUpgrade kernel-headersUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-develUpgrade kernel-livepatch-4.14.181-142.260Upgrade perfUpgrade python-perfUpgrade kernel-develUpgrade kernel-debuginfo-common-aarch64Upgrade perf-debuginfoUpgrade kernel-tools | 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-debuginfoUpgrade kpatch-patch-4_18_0-193Upgrade kpatch-patch-4_18_0-193_6_3Upgrade kpatch-patch-4_18_0-193-debugsourceUpgrade kernel-rtUpgrade kpatch-patch-4_18_0-193_1_2-debuginfoUpgrade kpatch-patch-4_18_0-193_1_2Upgrade kpatch-patch-4_18_0-193_6_3-debugsourceUpgrade kpatch-patch-4_18_0-193_6_3-debuginfoUpgrade kpatch-patch-4_18_0-193_1_2-debugsourceUpgrade kernel | Jul 23, 2020 | Jul 21, 2020 |
| Debian | — | Upgrade linux | Aug 17, 2020 | Aug 17, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade kernel-develUpgrade kernelUpgrade kernel-tools-libsUpgrade bpftoolUpgrade kernel-toolsUpgrade python3-perfUpgrade perfUpgrade kernel-headersUpgrade kernel-sourceUpgrade python-perf | Jul 31, 2020 | Jul 30, 2020 |
| Oracle_linux | — | Upgrade kernel-uekUpgrade kernel | Jul 25, 2020 | Jun 9, 2020 |
| Redhat Openshift | — | Upgrade redhat-coreos | Dec 29, 2020 | Sep 15, 2020 |
| Redhat_linux | — | Upgrade kernel-rtUpgrade kernel | Jul 23, 2020 | Jul 21, 2020 |
| Suse | — | Upgrade kernel-docsUpgrade kernel-defaultUpgrade kernel-default-extraUpgrade kernel-obs-build | Jun 20, 2020 | Jun 19, 2020 |
| Ubuntu | — | Upgrade linux-image-5.3.0-1030-oracleUpgrade linux-image-4.15.0-1068-raspi2Upgrade linux-image-4.4.0-1111-awsUpgrade linux-image-4.15.0-1081-gcpUpgrade linux-image-oracle-lts-18.04Upgrade linux-image-gke-5.4Upgrade linux-image-5.0.0-1045-gkeUpgrade linux-image-awsUpgrade linux-image-raspi2Upgrade linux-image-4.15.0-115-lowlatencyUpgrade linux-image-4.4.0-186-lowlatencyUpgrade linux-image-raspiUpgrade linux-image-gcpUpgrade linux-image-5.3.0-64-generic-lpaeUpgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-5.0.0-1065-oem-osp1Upgrade linux-image-5.4.0-1022-awsUpgrade linux-image-azureUpgrade linux-image-aws-lts-18.04Upgrade linux-image-azure-edgeUpgrade linux-image-4.4.0-1075-awsUpgrade linux-image-4.4.0-186-powerpc64-embUpgrade linux-image-raspi-hwe-18.04Upgrade linux-image-4.4.0-186-powerpc-e500mcUpgrade linux-image-generic-lpae-hwe-16.04Upgrade linux-image-generic-lpae-lts-xenialUpgrade linux-image-gke-5.3Upgrade linux-image-4.4.0-1140-snapdragonUpgrade linux-image-4.15.0-1094-oemUpgrade linux-image-virtual-lts-xenialUpgrade linux-image-4.4.0-1136-raspi2Upgrade linux-image-5.4.0-1023-azureUpgrade linux-image-powerpc64-smpUpgrade linux-image-5.3.0-1034-azureUpgrade linux-image-5.3.0-1030-raspi2Upgrade linux-image-kvmUpgrade linux-image-oem-osp1Upgrade linux-image-snapdragonUpgrade linux-image-4.15.0-1051-oracleUpgrade linux-image-5.3.0-1032-awsUpgrade linux-image-5.3.0-64-lowlatencyUpgrade linux-image-gcp-lts-18.04Upgrade linux-image-powerpc-e500mc-lts-xenialUpgrade linux-image-powerpc64-smp-lts-xenialUpgrade linux-image-5.4.0-1016-raspiUpgrade linux-image-5.4.0-1022-oracleUpgrade linux-image-gkeop-5.3Upgrade linux-image-powerpc-smp-lts-xenialUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-4.4.0-186-generic-lpaeUpgrade linux-image-powerpc64-emb-lts-xenialUpgrade linux-image-gke-5.0Upgrade linux-image-oemUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-5.4.0-45-lowlatencyUpgrade linux-image-5.3.0-1032-gcpUpgrade linux-image-oracleUpgrade linux-image-generic-lpae-hwe-18.04Upgrade linux-image-4.15.0-115-genericUpgrade linux-image-4.15.0-1080-awsUpgrade linux-image-powerpc-e500mcUpgrade linux-image-generic-hwe-16.04Upgrade linux-image-5.4.0-45-genericUpgrade linux-image-gkeop-5.4Upgrade linux-image-powerpc-smpUpgrade linux-image-aws-edgeUpgrade linux-image-generic-lpaeUpgrade linux-image-lowlatencyUpgrade linux-image-4.15.0-1072-kvmUpgrade linux-image-5.4.0-45-generic-lpaeUpgrade linux-image-4.4.0-1077-kvmUpgrade linux-image-gke-4.15Upgrade linux-image-4.4.0-186-genericUpgrade linux-image-4.4.0-186-powerpc-smpUpgrade linux-image-4.15.0-1084-snapdragonUpgrade linux-image-virtual-hwe-16.04Upgrade linux-image-5.3.0-64-genericUpgrade linux-image-4.15.0-1067-gkeUpgrade linux-image-4.4.0-186-powerpc64-smpUpgrade linux-image-generic-lts-xenialUpgrade linux-image-virtualUpgrade linux-image-gkeUpgrade linux-image-powerpc64-embUpgrade linux-image-4.15.0-1093-azureUpgrade linux-image-raspi2-hwe-18.04Upgrade linux-image-aws-hweUpgrade linux-image-5.3.0-1032-gkeUpgrade linux-image-4.15.0-115-generic-lpaeUpgrade linux-image-5.4.0-1022-gcpUpgrade linux-image-genericUpgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-azure-lts-18.04 | 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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