VDB
CVE-2018-18386
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% · 12.7th percentile
Risk Scores
EPSS Score
0.04%
12.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | 0, 5.15.0-1073.75 |
| Ubuntu:20.04:LTS | linux-gke | 5.4.0-1100.107, 5.4.0-1090.97, 5.4.0-1101.108 |
| Ubuntu:22.04:LTS | linux-riscv | 5.13.0-1006.6+22.04.1, 5.13.0-1007.7+22.04.1, 5.15.0-1004.4 |
| Ubuntu:20.04:LTS | linux-azure-fde | 5.4.0-1080.83+cvm1.1, *, 5.4.0-1095.101+cvm1.1 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | 0, 6.8.0-2019.20 |
| Ubuntu:Pro:FIPS:16.04:LTS | linux-fips | 4.4.0-1005.5, 4.4.0-1003.3, 0 |
| Ubuntu:22.04:LTS | linux-realtime | 5.15.0-1032.35, 0 |
| Ubuntu:16.04:LTS | linux-hwe | 4.10.0-32.36~16.04.1, 0, 4.8.0-41.44~16.04.1 |
| Ubuntu:16.04:LTS | linux-kvm | 4.4.0-1007.12, 4.4.0-1004.9, 0 |
| Ubuntu:16.04:LTS | linux-snapdragon | 4.4.0-1051.55, 0, 4.4.0-1012.12 |
| Ubuntu:16.04:LTS | linux | 4.4.0-59.80, 4.4.0-64.85, 4.4.0-65.86 |
| Ubuntu:16.04:LTS | linux-aws | 4.4.0-1020.29, 4.4.0-1026.35, 4.4.0-1028.37 |
| Ubuntu:14.04:LTS | linux-aws | 4.4.0-1005.5, 4.4.0-1003.3, 0 |
| Ubuntu:16.04:LTS | linux-gcp | 4.10.0-1008.8, 0, 4.10.0-1004.4 |
| Ubuntu:14.04:LTS | linux | 3.13.0-43.72, 3.12.0-3.9, 3.12.0-3.8 |
| Ubuntu:16.04:LTS | linux-raspi2 | 4.4.0-1051.58, 4.4.0-1050.57, 4.4.0-1054.61 |
| Ubuntu:16.04:LTS | linux-azure | 4.11.0-1016.16, 0, 4.11.0-1009.9 |
| Ubuntu:14.04:LTS | linux-lts-xenial | 0, 4.4.0-14.30~14.04.2, 4.4.0-15.31~14.04.1 |
| Ubuntu:20.04:LTS | linux-raspi2 | 5.4.0-1006.6, 5.4.0-1004.4, 5.3.0-1017.19 |
| Ubuntu:20.04:LTS | linux-riscv | 5.4.0-30.34, 5.4.0-33.37, 5.4.0-39.44 |
Timeline
- Oct 17, 2018 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Feb 28, 2022 EPSS Score
- May 2, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 5, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
- Jan 8, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2018-18386 third-party-advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=966031f340185eddd05affcf72b740549f056348 third-party-advisory
- https://bugzilla.suse.com/show_bug.cgi?id=1094825 third-party-advisory
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.11 third-party-advisory
- https://github.com/torvalds/linux/commit/966031f340185eddd05affcf72b740549f056348 third-party-advisory
- https://ubuntu.com/security/notices/USN-3849-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-3849-2 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2018-18386 third-party-advisory