CVE-2017-7889 PUBLISHED

The mm subsystem in the Linux kernel through 3.2 does not properly enforce the CONFIG_STRICT_DEVMEM protection mechanism, which allows local users to read or write to kernel memory locations in the first megabyte (and bypass slab-allocation access restrictions) via an application that opens the /dev/mem file, related to arch/x86/mm/init.c and drivers/char/mem.c.

EPSS 0.03% · 8.9th percentile

Risk Scores

EPSS Score
0.03%
8.9th percentile

Affected Products

VendorProductVersions
Ubuntu:22.04:LTSlinux-realtime0, 5.15.0-1032.35
Ubuntu:24.04:LTSlinux-hwe-6.116.11.0-28.28~24.04.1, 6.11.0-26.26~24.04.1, 6.11.0-25.25~24.04.1
Ubuntu:14.04:LTSlinux-lts-xenial4.4.0-38.57~14.04.1, 4.4.0-72.93~14.04.1, 4.4.0-71.92~14.04.1
Ubuntu:16.04:LTSlinux-snapdragon4.4.0-1035.39, 4.4.0-1055.59, 4.4.0-1057.61
Ubuntu:22.04:LTSlinux-intel-iot-realtime5.15.0-1073.75, 0
Ubuntu:16.04:LTSlinux-aws4.4.0-1007.16, 0, 4.4.0-1001.10
Ubuntu:Pro:20.04:LTSlinux-azure-fde-5.155.15.0-1019.24~20.04.1.1, 5.15.0-1021.26~20.04.1.1, 5.15.0-1029.36~20.04.1.1
Ubuntu:20.04:LTSlinux-raspi25.4.0-1006.6, 5.4.0-1004.4, 0
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.116.11.0-1011.12~24.04.1, 0, 6.11.0-1009.10~24.04.1
Ubuntu:16.04:LTSlinux-raspi24.4.0-1012.16, 0, 4.2.0-1013.19
Ubuntu:18.04:LTSlinux-azure4.15.0-1021.21, 5.0.0-1036.38, 5.0.0-1035.37
Ubuntu:24.04:LTSlinux-azure-6.116.11.0-1017.17~24.04.1, 6.11.0-1015.15~24.04.1, 0
Ubuntu:16.04:LTSlinux4.3.0-2.11, 4.3.0-1.10, 4.2.0-19.23
Ubuntu:18.04:LTSlinux-oem4.15.0-1101.112, 0, 4.15.0-1002.3
Ubuntu:18.04:LTSlinux-gcp4.15.0-1040.42, 4.15.0-1042.45, 4.15.0-1044.70
Ubuntu:18.04:LTSlinux-hwe-edge5.0.0-19.20~18.04.1, 5.0.0-17.18~18.04.1, 5.0.0-16.17~18.04.1
Ubuntu:20.04:LTSlinux-riscv5.4.0-37.42, 5.4.0-40.45, 5.4.0-39.44
Ubuntu:24.04:LTSlinux-gcp-6.116.11.0-1013.13~24.04.1, 6.11.0-1011.11~24.04.1, 6.11.0-1006.6~24.04.2
Ubuntu:20.04:LTSlinux-azure-fde5.4.0-1070.73+cvm1.1, 5.4.0-1069.72+cvm1.1, 5.4.0-1068.71+cvm1.1
Ubuntu:14.04:LTSlinux3.13.0-86.130, 3.11.0-12.19, 3.12.0-1.3

…and 6 more

Timeline

References

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