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The msr_mtrr_valid function in arch/x86/kvm/mtrr.c in the Linux kernel before 4.6.1 supports MSR 0x2f8, which allows guest OS users to read or write to the kvm_arch_vcpu data structure, and consequently obtain sensitive information or cause a denial of service (system crash), via a crafted ioctl call.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 30, 2024 | Jun 27, 2016 |
| Oracle_linux | — | Upgrade kernel-uek-develUpgrade kernel-uek-debugUpgrade kernel-uek-debug-develUpgrade kernel-uek-firmwareUpgrade dtrace-modulesUpgrade kernel-uekUpgrade kernel-uek-doc | Dec 7, 2018 | Jun 27, 2016 |
| Suse | — | Upgrade kernel-obs-buildUpgrade ocfs2-kmp-defaultUpgrade cluster-network-kmp-defaultUpgrade dlm-kmp-defaultUpgrade gfs2-kmp-defaultUpgrade cluster-md-kmp-defaultUpgrade kernel-docsUpgrade kernel-default | Dec 9, 2016 | Jun 27, 2016 |
| Ubuntu | — | Upgrade linux-image-4.2.0-36-genericUpgrade linux-image-4.2.0-36-generic-lpaeUpgrade linux-image-4.2.0-36-powerpc-e500mcUpgrade linux-image-4.4.0-22-powerpc64-smpUpgrade linux-image-4.2.0-36-lowlatencyUpgrade linux-image-4.4.0-22-genericUpgrade linux-image-4.4.0-22-powerpc64-embUpgrade linux-image-4.4.0-22-powerpc-smpUpgrade linux-image-4.4.0-22-lowlatencyUpgrade linux-image-4.2.0-36-powerpc64-embUpgrade linux-image-4.2.0-36-powerpc64-smpUpgrade linux-image-4.2.0-36-powerpc-smpUpgrade linux-image-4.4.0-22-generic-lpaeUpgrade linux-image-4.4.0-22-powerpc-e500mc | May 16, 2016 | May 16, 2016 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Jun 27, 2016 |
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