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-debuginfoUpgrade kernel-livepatch-4.14.186-146.268Upgrade kernel-tools-develUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-livepatch-4.14.181-142.260Upgrade kernel-livepatch-4.14.181-142.260-debuginfoUpgrade kernel-headersUpgrade python-perf-debuginfoUpgrade kernelUpgrade kernel-debuginfo-common-aarch64Upgrade python-perfUpgrade kernel-toolsUpgrade perf-debuginfoUpgrade perfUpgrade kernel-devel | Jul 23, 2020 | Jul 23, 2020 |
| Amazon_linux | — | Upgrade kernel | Jul 18, 2020 | Jun 19, 2020 |
| Centos_linux | — | Upgrade kernelUpgrade 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_2Upgrade kpatch-patch-4_18_0-193_1_2-debugsourceUpgrade kernel-rtUpgrade kpatch-patch-4_18_0-193_1_2-debuginfoUpgrade kpatch-patch-4_18_0-193-debuginfoUpgrade kpatch-patch-4_18_0-193_6_3Upgrade kpatch-patch-4_18_0-193Upgrade kpatch-patch-4_18_0-193-debugsource | Jul 23, 2020 | Jul 21, 2020 |
| Debian | — | Upgrade linux | Aug 17, 2020 | Aug 17, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade kernel-toolsUpgrade kernel-tools-libsUpgrade bpftoolUpgrade kernel-develUpgrade kernelUpgrade python-perfUpgrade kernel-headersUpgrade kernel-sourceUpgrade perfUpgrade python3-perf | 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 kernel-rtUpgrade kernel | 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-gke-4.15Upgrade linux-image-generic-lpaeUpgrade linux-image-4.4.0-186-powerpc64-smpUpgrade linux-image-powerpc64-embUpgrade linux-image-4.4.0-1077-kvmUpgrade linux-image-lowlatencyUpgrade linux-image-4.15.0-115-generic-lpaeUpgrade linux-image-gkeUpgrade linux-image-4.15.0-1093-azureUpgrade linux-image-4.15.0-1080-awsUpgrade linux-image-4.15.0-115-genericUpgrade linux-image-5.3.0-1032-gkeUpgrade linux-image-powerpc-e500mcUpgrade linux-image-raspi2-hwe-18.04Upgrade linux-image-generic-hwe-16.04Upgrade linux-image-4.4.0-186-genericUpgrade linux-image-virtualUpgrade linux-image-generic-lts-xenialUpgrade linux-image-4.15.0-1084-snapdragonUpgrade linux-image-5.4.0-45-lowlatencyUpgrade linux-image-genericUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-virtual-hwe-16.04Upgrade linux-image-oracleUpgrade linux-image-azure-lts-18.04Upgrade linux-image-5.4.0-1022-gcpUpgrade linux-image-5.4.0-45-genericUpgrade linux-image-5.3.0-1032-gcpUpgrade linux-image-generic-lpae-hwe-18.04Upgrade linux-image-4.4.0-186-powerpc-smpUpgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-aws-edgeUpgrade linux-image-5.4.0-45-generic-lpaeUpgrade linux-image-oemUpgrade linux-image-gkeop-5.4Upgrade linux-image-5.3.0-64-genericUpgrade linux-image-4.15.0-1072-kvmUpgrade linux-image-4.15.0-1067-gkeUpgrade linux-image-powerpc-smpUpgrade linux-image-aws-hweUpgrade linux-image-powerpc-smp-lts-xenialUpgrade linux-image-4.15.0-1051-oracleUpgrade linux-image-5.4.0-1016-raspiUpgrade linux-image-5.3.0-1034-azureUpgrade linux-image-snapdragonUpgrade linux-image-5.3.0-64-generic-lpaeUpgrade linux-image-powerpc64-smpUpgrade linux-image-aws-lts-18.04Upgrade linux-image-4.4.0-1140-snapdragonUpgrade linux-image-raspi-hwe-18.04Upgrade linux-image-5.3.0-1030-raspi2Upgrade linux-image-4.4.0-186-generic-lpaeUpgrade linux-image-raspiUpgrade linux-image-4.4.0-186-powerpc-e500mcUpgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-gkeop-5.3Upgrade linux-image-5.4.0-1022-oracleUpgrade linux-image-4.15.0-1081-gcpUpgrade linux-image-4.4.0-1111-awsUpgrade linux-image-powerpc64-emb-lts-xenialUpgrade linux-image-gcpUpgrade linux-image-4.15.0-1094-oemUpgrade linux-image-awsUpgrade linux-image-5.3.0-1030-oracleUpgrade linux-image-gke-5.4Upgrade linux-image-4.4.0-186-lowlatencyUpgrade linux-image-5.0.0-1045-gkeUpgrade linux-image-5.4.0-1022-awsUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-4.4.0-1136-raspi2Upgrade linux-image-oem-osp1Upgrade linux-image-5.4.0-1023-azureUpgrade linux-image-gcp-lts-18.04Upgrade linux-image-gke-5.3Upgrade linux-image-generic-lpae-hwe-16.04Upgrade linux-image-4.4.0-1075-awsUpgrade linux-image-virtual-lts-xenialUpgrade linux-image-azure-edgeUpgrade linux-image-4.4.0-186-powerpc64-embUpgrade linux-image-5.0.0-1065-oem-osp1Upgrade linux-image-generic-lpae-lts-xenialUpgrade linux-image-azureUpgrade linux-image-4.15.0-1068-raspi2Upgrade linux-image-raspi2Upgrade linux-image-4.15.0-115-lowlatencyUpgrade linux-image-oracle-lts-18.04Upgrade linux-image-5.3.0-1032-awsUpgrade linux-image-5.3.0-64-lowlatencyUpgrade linux-image-kvmUpgrade linux-image-powerpc-e500mc-lts-xenialUpgrade linux-image-gke-5.0Upgrade linux-image-powerpc64-smp-lts-xenial | 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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