A lack of CPU resource in the Linux kernel tracing module functionality in versions prior to 5.14-rc3 was found in the way user uses trace ring buffer in a specific way. Only privileged local users (with CAP_SYS_ADMIN capability) could use this flaw to starve the resources causing denial of service.
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:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernel-tools-libs-devel | May 4, 2022 | Aug 5, 2021 |
| Amazon Linux Ami 2 | — | Upgrade kernel-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-debuginfo-common-x86_64Upgrade bpftool-debuginfoUpgrade bpftoolUpgrade kernel-develUpgrade kernel-tools-debuginfoUpgrade kernelUpgrade kernel-tools-develUpgrade kernel-livepatch-5.10.59-52.142Upgrade kernel-toolsUpgrade python-perfUpgrade kernel-headersUpgrade python-perf-debuginfoUpgrade perfUpgrade perf-debuginfo | Jul 4, 2022 | Aug 5, 2021 |
| Amazon_linux | — | Upgrade kernel | Oct 5, 2021 | Aug 5, 2021 |
| Centos_linux | — | Upgrade kernel-rtUpgrade kernel | Nov 10, 2021 | Aug 5, 2021 |
| Debian | — | Upgrade linux | Nov 29, 2021 | Aug 5, 2021 |
| Huawei Euleros 2_0_sp3 | — | Upgrade perfUpgrade kernel-debuginfoUpgrade kernel-develUpgrade kernel-headersUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade kernelUpgrade python-perfUpgrade kernel-debuginfo-common-x86_64 | May 25, 2022 | Aug 5, 2021 |
| Huawei Euleros 2_0_sp5 | — | Upgrade kernel-tools-libsUpgrade kernel-toolsUpgrade kernel-develUpgrade perfUpgrade kernel-headersUpgrade kernelUpgrade python-perf | Jan 4, 2022 | Aug 5, 2021 |
| Huawei Euleros 2_0_sp8 | — | Upgrade python3-perfUpgrade kernel-develUpgrade perfUpgrade kernelUpgrade kernel-headersUpgrade bpftoolUpgrade kernel-tools-libsUpgrade python-perfUpgrade kernel-toolsUpgrade kernel-source | Nov 2, 2021 | Aug 5, 2021 |
| Huawei Euleros 2_0_sp9 | — | Upgrade kernel-tools-libsUpgrade kernelUpgrade kernel-toolsUpgrade python3-perf | Nov 12, 2021 | Aug 5, 2021 |
| Oracle_linux | — | Upgrade kernelUpgrade kernel-uek | Sep 23, 2021 | Jul 20, 2021 |
| Redhat_linux | — | Upgrade kernel-rtUpgrade kernel | Nov 10, 2021 | Aug 5, 2021 |
| Suse | — | Upgrade ocfs2-kmp-defaultUpgrade kernel-bigmem-baseUpgrade kernel-ppc64-baseUpgrade kernel-debug-baseUpgrade kernel-symsUpgrade kernel-ppc64Upgrade kernel-ec2-baseUpgrade dtb-qcomUpgrade kernel-debugUpgrade dtb-nvidiaUpgrade kgraft-patch-4_4_180-94_150-defaultUpgrade kernel-64kb-develUpgrade kernel-syms-azureUpgrade kernel-docsUpgrade kernel-devel-azureUpgrade kernel-vanillaUpgrade kernel-default-extraUpgrade ocfs2-kmp-azureUpgrade dtb-armUpgrade kernel-sourceUpgrade kernel-obs-qaUpgrade kernel-vanilla-baseUpgrade dtb-apmUpgrade cluster-md-kmp-defaultUpgrade kernel-preempt-extraUpgrade dtb-zteUpgrade kernel-zfcpdump-manUpgrade dtb-exynosUpgrade dtb-sprdUpgrade kernel-pae-baseUpgrade dtb-xilinxUpgrade kernel-xen-develUpgrade dtb-alUpgrade kernel-preemptUpgrade kernel-preempt-develUpgrade cluster-md-kmp-64kbUpgrade dlm-kmp-azureUpgrade kselftests-kmp-preemptUpgrade kernel-default-optionalUpgrade kernel-ppc64-develUpgrade kselftests-kmp-defaultUpgrade dtb-mediatekUpgrade kernel-default-base-rebuildUpgrade kernel-ec2-develUpgrade kernel-xen-baseUpgrade reiserfs-kmp-azureUpgrade kernel-develUpgrade kernel-defaultUpgrade dtb-allwinnerUpgrade dtb-rockchipUpgrade cluster-md-kmp-preemptUpgrade gfs2-kmp-defaultUpgrade kernel-kvmsmall-livepatch-develUpgrade dtb-freescaleUpgrade gfs2-kmp-preemptUpgrade dtb-alteraUpgrade ocfs2-kmp-64kbUpgrade reiserfs-kmp-preemptUpgrade ocfs2-kmp-preemptUpgrade kernel-macrosUpgrade kernel-pae-develUpgrade kernel-vanilla-livepatch-develUpgrade dtb-lgUpgrade kernel-trace-develUpgrade kernel-kvmsmall-develUpgrade kernel-azure-develUpgrade kernel-default-develUpgrade kernel-bigmem-develUpgrade kernel-azure-baseUpgrade kernel-azure-livepatch-develUpgrade kernel-preempt-optionalUpgrade kernel-xenUpgrade kernel-kvmsmallUpgrade kernel-debug-livepatch-develUpgrade dtb-renesasUpgrade dtb-broadcomUpgrade gfs2-kmp-azureUpgrade kernel-zfcpdumpUpgrade kernel-64kb-extraUpgrade kernel-obs-buildUpgrade reiserfs-kmp-defaultUpgrade dtb-hisiliconUpgrade dtb-caviumUpgrade gfs2-kmp-64kbUpgrade kernel-bigmemUpgrade kernel-azure-extraUpgrade dlm-kmp-preemptUpgrade kernel-trace-baseUpgrade kselftests-kmp-azureUpgrade kernel-default-livepatch-develUpgrade kernel-kvmsmall-baseUpgrade kernel-docs-htmlUpgrade kernel-64kb-optionalUpgrade kernel-64kbUpgrade dtb-marvellUpgrade dlm-kmp-defaultUpgrade reiserfs-kmp-64kbUpgrade kselftests-kmp-64kbUpgrade cluster-md-kmp-azureUpgrade kernel-default-baseUpgrade kernel-64kb-livepatch-develUpgrade dtb-amdUpgrade kernel-debug-develUpgrade kernel-source-vanillaUpgrade kernel-paeUpgrade kernel-traceUpgrade kernel-azure-optionalUpgrade kernel-vanilla-develUpgrade kernel-ec2Upgrade kernel-default-livepatchUpgrade kernel-default-kgraftUpgrade kernel-default-manUpgrade kernel-azureUpgrade kernel-preempt-livepatch-develUpgrade kernel-source-azureUpgrade dtb-socionextUpgrade dlm-kmp-64kbUpgrade dtb-amlogic | Aug 11, 2021 | Aug 5, 2021 |
| Ubuntu | — | Upgrade linux-image-oracle-lts-18.04Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-gke-5.4Upgrade linux-image-generic-hwe-18.04Upgrade linux-image-virtual-hwe-20.04Upgrade linux-image-5.4.0-87-lowlatencyUpgrade linux-image-awsUpgrade linux-image-5.4.0-1044-raspiUpgrade linux-image-5.4.0-87-generic-lpaeUpgrade linux-image-raspi2Upgrade linux-image-azureUpgrade linux-image-5.4.0-87-genericUpgrade linux-image-4.15.0-1109-gcpUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-5.4.0-1053-gcpUpgrade linux-image-5.11.0-37-lowlatencyUpgrade linux-image-azure-edgeUpgrade linux-image-gcp-lts-18.04Upgrade linux-image-raspi-hwe-18.04Upgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-raspiUpgrade linux-image-dell300xUpgrade linux-image-kvmUpgrade linux-image-oem-osp1Upgrade linux-image-gcpUpgrade linux-image-5.13.0-1014-oemUpgrade linux-image-5.11.0-37-generic-lpaeUpgrade linux-image-aws-lts-20.04Upgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-4.4.0-219-genericUpgrade linux-image-5.4.0-88-genericUpgrade linux-image-4.15.0-159-lowlatencyUpgrade linux-image-5.11.0-1020-gcpUpgrade linux-image-oem-20.04cUpgrade linux-image-gcp-lts-20.04Upgrade linux-image-4.4.0-222-lowlatencyUpgrade linux-image-virtualUpgrade linux-image-virtual-lts-xenialUpgrade linux-image-4.4.0-1103-kvmUpgrade linux-image-5.11.0-37-generic-64kUpgrade linux-image-4.15.0-159-generic-lpaeUpgrade linux-image-azure-lts-18.04Upgrade linux-image-5.11.0-1019-awsUpgrade linux-image-4.4.0-1102-awsUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-5.10.0-1050-oemUpgrade linux-image-4.15.0-1112-awsUpgrade linux-image-5.11.0-37-genericUpgrade linux-image-5.4.0-1024-gkeopUpgrade linux-image-gkeUpgrade linux-image-oracle-lts-20.04Upgrade linux-image-5.11.0-1017-kvmUpgrade linux-image-snapdragonUpgrade linux-image-5.11.0-1019-raspi-nolpaeUpgrade linux-image-4.4.0-1100-kvmUpgrade linux-image-oracleUpgrade linux-image-4.15.0-1096-raspi2Upgrade linux-image-oem-20.04Upgrade linux-image-4.4.0-1099-awsUpgrade linux-image-oem-20.04bUpgrade linux-image-generic-lpae-hwe-18.04Upgrade linux-image-5.4.0-88-lowlatencyUpgrade linux-image-4.4.0-222-genericUpgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-generic-hwe-16.04Upgrade linux-image-5.11.0-1019-oracleUpgrade linux-image-4.15.0-1124-azureUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-4.15.0-1028-dell300xUpgrade linux-image-gkeop-5.4Upgrade linux-image-4.4.0-1138-awsUpgrade linux-image-5.4.0-1059-azureUpgrade linux-image-genericUpgrade linux-image-5.4.0-1053-gkeUpgrade linux-image-generic-lts-xenialUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-raspi-nolpaeUpgrade linux-image-5.4.0-88-generic-lpaeUpgrade linux-image-gkeopUpgrade linux-image-5.4.0-1055-oracleUpgrade linux-image-5.11.0-1019-raspiUpgrade linux-image-lowlatencyUpgrade linux-image-4.15.0-1100-kvmUpgrade linux-image-4.15.0-1081-oracleUpgrade linux-image-4.4.0-219-lowlatencyUpgrade linux-image-oemUpgrade linux-image-generic-lpaeUpgrade linux-image-4.15.0-159-genericUpgrade linux-image-aws-hweUpgrade linux-image-azure-lts-20.04Upgrade linux-image-generic-64kUpgrade linux-image-virtual-hwe-16.04Upgrade linux-image-aws-lts-18.04Upgrade linux-image-5.4.0-1047-kvmUpgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-4.4.0-1135-awsUpgrade linux-image-5.4.0-1057-awsUpgrade linux-image-5.11.0-1017-azureUpgrade linux-image-4.15.0-1113-snapdragon | Sep 28, 2021 | Aug 5, 2021 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Aug 5, 2021 |
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