A flaw was found in the Linux kernel. A use-after-free was found in the way the console subsystem was using ioctls KDGKBSENT and KDSKBSENT. A local user could use this flaw to get read memory access out of bounds. The highest threat from this vulnerability is to data confidentiality.
CVSS Details
- CVSS 3.1 Base Score: 4.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernel-debug-modules-extraUpgrade kernel-tools-libs-develUpgrade kernel-headersUpgrade kernel-zfcpdump-coreUpgrade kernel-zfcpdump-develUpgrade kernel-rt-debug-develUpgrade kernel-abi-stablelistsUpgrade kernel-debug-develUpgrade kernelUpgrade kernel-rt-debug-modules-extraUpgrade kernel-zfcpdumpUpgrade kernel-cross-headersUpgrade kernel-modulesUpgrade kernel-zfcpdump-modulesUpgrade kernel-rt-debug-kvmUpgrade kernel-debug-modulesUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-coreUpgrade kernel-modules-extraUpgrade kernel-debugUpgrade perfUpgrade kernel-rtUpgrade kernel-rt-modulesUpgrade kernel-rt-develUpgrade kernel-rt-debug-modulesUpgrade kernel-toolsUpgrade kernel-rt-kvmUpgrade kernel-debug-coreUpgrade kernel-tools-libsUpgrade kernel-docUpgrade kernel-develUpgrade kernel-rt-debug-coreUpgrade kernel-rt-coreUpgrade bpftoolUpgrade python3-perfUpgrade kernel-rt-debugUpgrade kernel-rt-modules-extra | May 31, 2024 | Dec 2, 2020 |
| Amazon Linux Ami 2 | — | Upgrade python-perfUpgrade kernel-develUpgrade perfUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-toolsUpgrade kernel-headersUpgrade kernel-tools-develUpgrade kernel-debuginfoUpgrade perf-debuginfoUpgrade python-perf-debuginfoUpgrade kernelUpgrade kernel-tools-debuginfoUpgrade kernel-livepatch-4.14.209-160.335Upgrade kernel-debuginfo-common-x86_64 | Dec 10, 2020 | Dec 2, 2020 |
| Amazon_linux | — | Upgrade kernel | Dec 19, 2020 | Nov 10, 2020 |
| Centos_linux | — | Upgrade kernel-rtUpgrade kernel | Mar 18, 2021 | Dec 2, 2020 |
| Debian | — | Upgrade linux | Dec 7, 2020 | Dec 2, 2020 |
| Huawei Euleros 2_0_sp2 | — | Upgrade python-perfUpgrade kernel-debuginfoUpgrade kernel-toolsUpgrade kernel-debugUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-libsUpgrade kernel-debug-develUpgrade kernelUpgrade perfUpgrade kernel-develUpgrade kernel-headers | Feb 22, 2021 | Dec 2, 2020 |
| Huawei Euleros 2_0_sp3 | — | Upgrade python-perfUpgrade kernel-toolsUpgrade perfUpgrade kernel-develUpgrade kernel-debuginfoUpgrade kernel-headersUpgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade kernel-tools-libs | Apr 30, 2021 | Dec 2, 2020 |
| Huawei Euleros 2_0_sp5 | — | Upgrade kernelUpgrade kernel-tools-libsUpgrade python-perfUpgrade kernel-toolsUpgrade perfUpgrade kernel-develUpgrade kernel-headers | Feb 3, 2021 | Dec 2, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade perfUpgrade kernel-develUpgrade python3-perfUpgrade kernelUpgrade kernel-headersUpgrade kernel-toolsUpgrade python-perfUpgrade kernel-tools-libsUpgrade kernel-sourceUpgrade bpftool | Dec 15, 2020 | Dec 2, 2020 |
| Huawei Euleros 2_0_sp9 | — | Upgrade kernel-tools-libsUpgrade kernel-toolsUpgrade kernelUpgrade python3-perf | Dec 1, 2020 | Dec 1, 2020 |
| Oracle_linux | — | Upgrade kernel-uekUpgrade kernel | Dec 15, 2020 | Oct 16, 2020 |
| Redhat_linux | — | Upgrade kernel-rtNo solution existsUpgrade kernel | Mar 18, 2021 | Dec 2, 2020 |
| Rocky_linux | — | Upgrade kernel-debuginfoUpgrade bpftoolUpgrade kernel-cross-headersUpgrade kernel-rt-coreUpgrade kernel-debug-modulesUpgrade python3-perf-debuginfoUpgrade kernel-debugUpgrade kernel-debug-develUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-rt-debug-coreUpgrade kernel-headersUpgrade kernel-tools-libsUpgrade python3-perfUpgrade kernel-rt-debug-kvmUpgrade kernel-rt-modules-extraUpgrade kernel-rt-kvmUpgrade kernel-rt-debug-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernelUpgrade kernel-tools-libs-develUpgrade bpftool-debuginfoUpgrade kernel-develUpgrade kernel-rt-debug-develUpgrade kernel-rt-develUpgrade kernel-rt-debuginfoUpgrade kernel-debug-coreUpgrade kernel-modulesUpgrade kernel-modules-extraUpgrade kernel-debug-modules-extraUpgrade perfUpgrade kernel-coreUpgrade kernel-rt-modulesUpgrade kernel-rt-debug-modulesUpgrade perf-debuginfoUpgrade kernel-rt-debuginfo-common-x86_64Upgrade kernel-rt-debugUpgrade kernel-debug-debuginfoUpgrade kernel-rt-debug-modules-extraUpgrade kernel-rtUpgrade kernel-tools | Jun 17, 2024 | Dec 2, 2020 |
| Suse | — | Upgrade kernel-defaultUpgrade kernel-docsUpgrade kernel-obs-buildUpgrade kernel-default-extra | Nov 12, 2020 | Nov 10, 2020 |
| Ubuntu | — | Upgrade linux-image-5.8.0-1023-gcpUpgrade linux-image-powerpc64-embUpgrade linux-image-generic-64kUpgrade linux-image-5.4.0-59-generic-lpaeUpgrade linux-image-4.15.0-129-generic-lpaeUpgrade linux-image-5.4.0-1035-azureUpgrade linux-image-4.15.0-1091-awsUpgrade linux-image-oemUpgrade linux-image-4.4.0-1143-raspi2Upgrade linux-image-5.8.0-1016-raspi-nolpaeUpgrade linux-image-4.15.0-1103-azureUpgrade linux-image-5.4.0-1026-raspiUpgrade linux-image-5.4.0-1033-gkeUpgrade linux-image-azure-lts-18.04Upgrade linux-image-gkeUpgrade linux-image-generic-lts-xenialUpgrade linux-image-4.4.0-1147-snapdragonUpgrade linux-image-powerpc-smpUpgrade linux-image-azureUpgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-generic-lpaeUpgrade linux-image-genericUpgrade linux-image-raspiUpgrade linux-image-4.4.0-198-powerpc64-embUpgrade linux-image-powerpc-e500mcUpgrade linux-image-5.8.0-1024-awsUpgrade linux-image-4.15.0-1077-raspi2Upgrade linux-image-virtual-hwe-16.04Upgrade linux-image-4.15.0-1091-gcpUpgrade linux-image-generic-lpae-hwe-18.04Upgrade linux-image-4.4.0-198-genericUpgrade linux-image-lowlatencyUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-5.4.0-59-genericUpgrade linux-image-5.4.0-1031-kvmUpgrade linux-image-5.8.0-1016-raspiUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-4.4.0-198-generic-lpaeUpgrade linux-image-4.15.0-1082-kvmUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-4.15.0-1062-oracleUpgrade linux-image-4.4.0-198-powerpc64-smpUpgrade linux-image-4.4.0-198-powerpc-smpUpgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-powerpc-smp-lts-xenialUpgrade linux-image-4.15.0-1094-snapdragonUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-4.4.0-1119-awsUpgrade linux-image-generic-lpae-lts-xenialUpgrade linux-image-4.4.0-1083-awsUpgrade linux-image-powerpc64-smp-lts-xenialUpgrade linux-image-5.8.0-44-generic-64kUpgrade linux-image-4.15.0-129-genericUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-generic-hwe-18.04Upgrade linux-image-kvmUpgrade linux-image-powerpc64-emb-lts-xenialUpgrade linux-image-raspi-hwe-18.04Upgrade linux-image-5.8.0-1021-oracleUpgrade linux-image-raspi2Upgrade linux-image-generic-hwe-16.04Upgrade linux-image-raspi-nolpaeUpgrade linux-image-5.4.0-1034-oracleUpgrade linux-image-powerpc64-smpUpgrade linux-image-4.15.0-129-lowlatencyUpgrade linux-image-5.8.0-1023-azureUpgrade linux-image-virtual-lts-xenialUpgrade linux-image-5.4.0-59-lowlatencyUpgrade linux-image-5.8.0-44-generic-lpaeUpgrade linux-image-aws-lts-18.04Upgrade linux-image-generic-lpae-hwe-16.04Upgrade linux-image-4.4.0-1085-kvmUpgrade linux-image-aws-hweUpgrade linux-image-snapdragonUpgrade linux-image-5.4.0-1033-gcpUpgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-5.8.0-44-genericUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-4.4.0-198-powerpc-e500mcUpgrade linux-image-5.8.0-1019-kvmUpgrade linux-image-4.4.0-198-lowlatencyUpgrade linux-image-gcpUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-gcp-lts-18.04Upgrade linux-image-powerpc-e500mc-lts-xenialUpgrade linux-image-oracle-lts-18.04Upgrade linux-image-virtualUpgrade linux-image-gke-4.15Upgrade linux-image-oracleUpgrade linux-image-5.8.0-44-lowlatencyUpgrade linux-image-gke-5.4Upgrade linux-image-4.15.0-1077-gkeUpgrade linux-image-awsUpgrade linux-image-oem-20.04Upgrade linux-image-5.4.0-1034-awsUpgrade linux-image-oem-osp1 | Jan 6, 2021 | Nov 10, 2020 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Dec 2, 2020 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub