The fork implementation in the Linux kernel before 4.5 on s390 platforms mishandles the case of four page-table levels, which allows local users to cause a denial of service (system crash) or possibly have unspecified other impact via a crafted application, related to arch/s390/include/asm/mmu_context.h and arch/s390/include/asm/pgalloc.h.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade python-perfUpgrade kernel-debug-develUpgrade kernel-tools-libs-develUpgrade kernel-abi-whitelistsUpgrade kernelUpgrade kernel-headersUpgrade kernel-toolsUpgrade perfUpgrade kernel-debugUpgrade kernel-docUpgrade kernel-firmwareUpgrade kernel-tools-libsUpgrade kernel-devel | Aug 6, 2016 | Apr 27, 2016 |
| Debian | — | Upgrade linux | Jun 28, 2016 | Apr 27, 2016 |
| Oracle_linux | — | Upgrade kernel | Aug 2, 2016 | Jun 1, 2016 |
| Redhat_linux | — | Upgrade kernel-headersUpgrade kernel-debuginfo-common-s390xUpgrade kernel-bootwrapperUpgrade perf-debuginfoUpgrade kernel-kdumpUpgrade kernel-tools-libs-develUpgrade kernel-toolsUpgrade kernel-docUpgrade kernel-abi-whitelistsUpgrade python-perf-debuginfoUpgrade perfUpgrade kernelUpgrade kernel-debuginfo-common-i686Upgrade python-perfUpgrade kernel-tools-libsUpgrade kernel-debugUpgrade kernel-develUpgrade kernel-kdump-develUpgrade kernel-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-kdump-debuginfoUpgrade kernel-firmwareUpgrade kernel-debuginfo-common-ppc64Upgrade kernel-debug-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-debug-devel | Aug 2, 2016 | Apr 27, 2016 |
| Suse | — | Upgrade gfs2-kmp-defaultUpgrade ocfs2-kmp-defaultUpgrade kernel-obs-buildUpgrade kernel-ec2Upgrade cluster-md-kmp-defaultUpgrade dlm-kmp-defaultUpgrade kernel-ec2-develUpgrade kernel-ec2-extraUpgrade cluster-network-kmp-defaultUpgrade kernel-docsUpgrade kernel-default | Apr 12, 2016 | Apr 12, 2016 |
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