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The coredump implementation in the Linux kernel before 5.0.10 does not use locking or other mechanisms to prevent vma layout or vma flags changes while it runs, which allows local users to obtain sensitive information, cause a denial of service, or possibly have unspecified other impact by triggering a race condition with mmget_not_zero or get_task_mm calls. This is related to fs/userfaultfd.c, mm/mmap.c, fs/proc/task_mmu.c, and drivers/infiniband/core/uverbs_main.c.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade python-perfUpgrade kernel-toolsUpgrade perf-debuginfoUpgrade kernel-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-headersUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-develUpgrade kernelUpgrade kernel-tools-develUpgrade perf | Apr 27, 2020 | Apr 29, 2019 |
| Amazon_linux | — | Upgrade kernel | Sep 19, 2019 | Apr 29, 2019 |
| Centos_linux | — | Upgrade kernel-rtUpgrade kernel | Aug 28, 2019 | Apr 29, 2019 |
| Debian | — | Upgrade linux | May 29, 2019 | Apr 29, 2019 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Jul 15, 2019 |
| Huawei Euleros 2_0_sp2 | — | Upgrade kernel-debugUpgrade kernel-toolsUpgrade kernel-develUpgrade kernelUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-libsUpgrade kernel-debug-develUpgrade perfUpgrade kernel-debuginfoUpgrade kernel-headersUpgrade python-perf | Jun 27, 2019 | Apr 29, 2019 |
| Huawei Euleros 2_0_sp3 | — | Upgrade kernel-debuginfoUpgrade kernelUpgrade kernel-tools-libsUpgrade kernel-headersUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-toolsUpgrade python-perfUpgrade kernel-develUpgrade perf | Jun 27, 2019 | Apr 29, 2019 |
| Huawei Euleros 2_0_sp5 | — | Upgrade kernel-tools-libsUpgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade kernel-debuginfoUpgrade kernel-headersUpgrade perfUpgrade kernel-toolsUpgrade python-perfUpgrade kernel-devel | May 30, 2019 | Apr 29, 2019 |
| Huawei Euleros 2_0_sp8 | — | Upgrade kernel-develUpgrade kernel-tools-libsUpgrade python3-perfUpgrade kernelUpgrade kernel-headersUpgrade bpftoolUpgrade perfUpgrade kernel-sourceUpgrade kernel-toolsUpgrade python-perf | Mar 12, 2020 | Apr 29, 2019 |
| Oracle_linux | — | Upgrade kernelUpgrade kernel-uek | Aug 15, 2019 | Apr 19, 2019 |
| Redhat Openshift | — | Upgrade redhat-coreos | Dec 29, 2020 | Apr 29, 2019 |
| Redhat_linux | — | Upgrade kernelNo solution existsUpgrade kernel-rt | Aug 7, 2019 | Apr 29, 2019 |
| Suse | — | Upgrade kernel-docsUpgrade kernel-defaultUpgrade kernel-default-manUpgrade kernel-default-extraUpgrade kernel-devel-azureUpgrade kernel-obs-buildUpgrade kernel-source-azureUpgrade kernel-azure-base | Jul 14, 2019 | Apr 29, 2019 |
| Ubuntu | — | Upgrade linux-image-powerpc-smpUpgrade linux-image-4.15.0-1022-oracleUpgrade linux-image-5.0.0-23-generic-lpaeUpgrade linux-image-powerpc64-embUpgrade linux-image-kvmUpgrade linux-image-gcpUpgrade linux-image-azureUpgrade linux-image-snapdragonUpgrade linux-image-4.15.0-1056-azureUpgrade linux-image-4.4.0-159-lowlatencyUpgrade linux-image-4.4.0-159-powerpc-e500mcUpgrade linux-image-4.4.0-159-generic-lpaeUpgrade linux-image-generic-lpae-hwe-16.04Upgrade linux-image-4.15.0-1041-gcpUpgrade linux-image-4.4.0-1090-awsUpgrade linux-image-4.15.0-1047-awsUpgrade linux-image-powerpc64-smpUpgrade linux-image-5.0.0-21-genericUpgrade linux-image-5.0.0-1017-snapdragonUpgrade linux-image-gkeUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-5.0.0-1011-gcpUpgrade linux-image-raspi2Upgrade linux-image-5.0.0-1011-awsUpgrade linux-image-4.4.0-159-genericUpgrade linux-image-4.4.0-1122-snapdragonUpgrade linux-image-generic-lpae-hwe-18.04Upgrade linux-image-5.0.0-21-lowlatencyUpgrade linux-image-4.4.0-1118-raspi2Upgrade linux-image-5.0.0-23-lowlatencyUpgrade linux-image-4.15.0-1044-raspi2Upgrade linux-image-generic-hwe-18.04Upgrade linux-image-4.15.0-1041-gkeUpgrade linux-image-oracleUpgrade linux-image-5.0.0-21-generic-lpaeUpgrade linux-image-powerpc-e500mcUpgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-5.0.0-1011-kvmUpgrade linux-image-5.0.0-1012-azureUpgrade linux-image-awsUpgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-4.15.0-60-genericUpgrade linux-image-4.15.0-1043-kvmUpgrade linux-image-virtual-hwe-16.04Upgrade linux-image-generic-hwe-16.04Upgrade linux-image-5.0.0-23-genericUpgrade linux-image-4.4.0-159-powerpc-smpUpgrade linux-image-lowlatencyUpgrade linux-image-gke-4.15Upgrade linux-image-5.0.0-1013-raspi2Upgrade linux-image-4.4.0-1054-kvmUpgrade linux-image-4.15.0-60-lowlatencyUpgrade linux-image-4.4.0-159-powerpc64-smpUpgrade linux-image-genericUpgrade linux-image-virtualUpgrade linux-image-4.15.0-60-generic-lpaeUpgrade linux-image-aws-hweUpgrade linux-image-generic-lpaeUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-4.4.0-159-powerpc64-embUpgrade linux-image-oem | Jul 24, 2019 | Apr 29, 2019 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Apr 29, 2019 |
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