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CVE-2018-18386 PUBLISHED

drivers/tty/n_tty.c in the Linux kernel before 4.14.11 allows local attackers (who are able to access pseudo terminals) to hang/block further usage of any pseudo terminal devices due to an EXTPROC versus ICANON confusion in TIOCINQ.

EPSS 0.04% · 12.3th percentile

Risk Scores

EPSS Score
0.04%
12.3th percentile

Affected Products

VendorProductVersions
Ubuntu:22.04:LTSlinux-intel-iot-realtime0, 5.15.0-1073.75
Ubuntu:20.04:LTSlinux-gke5.4.0-1033.35, 5.4.0-1039.41, 0
Ubuntu:22.04:LTSlinux-riscv5.15.0-1026.30, 5.15.0-1023.27, 5.15.0-1022.26
Ubuntu:20.04:LTSlinux-azure-fde5.4.0-1072.75+cvm1.1, 5.4.0-1103.109+cvm1.1, 5.4.0-1100.106+cvm1.1
Ubuntu:24.04:LTSlinux-raspi-realtime6.8.0-2019.20, 0
Ubuntu:Pro:FIPS:16.04:LTSlinux-fips4.4.0-1006.6, 4.4.0-1003.3, 4.4.0-1005.5
Ubuntu:22.04:LTSlinux-realtime0, 5.15.0-1032.35
Ubuntu:16.04:LTSlinux-hwe4.13.0-32.35~16.04.1, 4.8.0-45.48~16.04.1, 4.13.0-45.50~16.04.1
Ubuntu:16.04:LTSlinux-kvm0, 4.4.0-1004.9, 4.4.0-1007.12
Ubuntu:16.04:LTSlinux-snapdragon4.4.0-1013.14, 4.4.0-1087.92, 4.4.0-1084.89
Ubuntu:16.04:LTSlinux4.4.0-18.34, 0, 4.2.0-16.19
Ubuntu:16.04:LTSlinux-aws4.4.0-1020.29, 4.4.0-1007.16, 4.4.0-1009.18
Ubuntu:14.04:LTSlinux-aws4.4.0-1012.12, 4.4.0-1014.14, 4.4.0-1002.2
Ubuntu:16.04:LTSlinux-gcp4.13.0-1015.19, 4.13.0-1013.17, 4.13.0-1012.16
Ubuntu:14.04:LTSlinux3.13.0-52.86, 3.11.0-12.19, 3.13.0-149.199
Ubuntu:16.04:LTSlinux-raspi24.4.0-1010.13, 4.4.0-1016.22, 4.4.0-1017.23
Ubuntu:16.04:LTSlinux-azure4.11.0-1013.13, 4.11.0-1011.11, 4.11.0-1009.9
Ubuntu:14.04:LTSlinux-lts-xenial4.4.0-63.84~14.04.2, 4.4.0-112.135~14.04.1, 4.4.0-111.134~14.04.1
Ubuntu:20.04:LTSlinux-raspi25.3.0-1017.19, 5.4.0-1004.4, 5.4.0-1006.6
Ubuntu:20.04:LTSlinux-riscv5.4.0-27.31, 5.4.0-40.45, 0

Timeline

References

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