3.3 Low
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
5.3%
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.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 14.04 | noarch | linux | < 3.13.0-164.214 | UNKNOWN |
ubuntu | 16.04 | noarch | linux | < 4.4.0-119.143 | UNKNOWN |
ubuntu | 14.04 | noarch | linux-aws | < 4.4.0-1016.16 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws | < 4.4.0-1054.63 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-azure | < 4.15.0-1013.13~16.04.2 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-azure-edge | < 4.15.0-1013.13~16.04.2 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-gcp | < 4.15.0-1014.14~16.04.1 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-hwe | < 4.15.0-24.26~16.04.1 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-hwe-edge | < 4.15.0-24.26~16.04.1 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-kvm | < 4.4.0-1020.25 | UNKNOWN |
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=966031f340185eddd05affcf72b740549f056348
bugzilla.suse.com/show_bug.cgi?id=1094825
cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.11
github.com/torvalds/linux/commit/966031f340185eddd05affcf72b740549f056348
launchpad.net/bugs/cve/CVE-2018-18386
nvd.nist.gov/vuln/detail/CVE-2018-18386
security-tracker.debian.org/tracker/CVE-2018-18386
ubuntu.com/security/notices/USN-3849-1
ubuntu.com/security/notices/USN-3849-2
www.cve.org/CVERecord?id=CVE-2018-18386
3.3 Low
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
5.3%