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CVE-2019-12817 PUBLISHED

arch/powerpc/mm/mmu_context_book3s64.c in the Linux kernel before 5.1.15 for powerpc has a bug where unrelated processes may be able to read/write to one another's virtual memory under certain conditions via an mmap above 512 TB. Only a subset of powerpc systems are affected.

EPSS 0.07% · 20.3th percentile

Risk Scores

EPSS Score
0.07%
20.3th percentile

Affected Products

VendorProductVersions
Ubuntu:22.04:LTSlinux-intel-iot-realtime0, 5.15.0-1073.75
Ubuntu:18.04:LTSlinux-hwe-edge5.0.0-16.17~18.04.1, 5.0.0-17.18~18.04.1, 5.0.0-15.16~18.04.1
Ubuntu:22.04:LTSlinux-riscv5.15.0-1020.23, 5.15.0-1018.21, 5.15.0-1017.19
Ubuntu:22.04:LTSlinux-realtime5.15.0-1032.35, 0
Ubuntu:18.04:LTSlinux-hwe4.18.0-16.17~18.04.1, 4.18.0-17.18~18.04.1, 4.18.0-18.19~18.04.1
Ubuntu:24.04:LTSlinux-raspi-realtime0, 6.8.0-2019.20
Ubuntu:20.04:LTSlinux-gke5.4.0-1097.104, 5.4.0-1098.105, 5.4.0-1099.106
Ubuntu:20.04:LTSlinux-azure-fde0, 5.4.0-1090.95+cvm1.1, 5.4.0-1089.94+cvm1.2
Ubuntu:20.04:LTSlinux-riscv5.4.0-37.42, 5.4.0-39.44, 5.4.0-40.45
Ubuntu:20.04:LTSlinux-raspi25.3.0-1015.17, 5.4.0-1004.4, 5.4.0-1006.6

Timeline

References

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