CVE-2018-18386LOW
Description
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.
References
https://access.redhat.com/errata/RHSA-2019:0831
https://bugzilla.suse.com/show_bug.cgi?id=1094825
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.11
https://github.com/torvalds/linux/commit/966031f340185eddd05affcf72b740549f056348
Details
Source: MITRE
Published: 2018-10-17
Updated: 2019-04-23
Type: CWE-704
Risk Information
CVSS v2.0
Base Score: 2.1
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 3.9
Severity: LOW
CVSS v3.0
Base Score: 3.3
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Impact Score: 1.4
Exploitability Score: 1.8
Severity: LOW
Vulnerable Software
Configuration 1
OR
Configuration 2
OR
Tenable Plugins
| ID | Name | Product | Family | Severity |
|---|---|---|---|---|
| 125283 | SUSE SLES12 Security Update : kernel (SUSE-SU-2019:1289-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout) | Nessus | SuSE Local Security Checks | high |
| 124823 | EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1500) | Nessus | Huawei Local Security Checks | high |
| 124257 | RHEL 7 : kernel-alt (RHSA-2019:0831) | Nessus | Red Hat Local Security Checks | medium |
| 123890 | EulerOS Virtualization 2.5.4 : kernel (EulerOS-SA-2019-1204) | Nessus | Huawei Local Security Checks | high |
| 123883 | EulerOS Virtualization 2.5.3 : kernel (EulerOS-SA-2019-1197) | Nessus | Huawei Local Security Checks | high |
| 123366 | openSUSE Security Update : the Linux Kernel (openSUSE-2019-893) | Nessus | SuSE Local Security Checks | high |
| 122343 | SUSE SLES12 Security Update : kernel (SUSE-SU-2019:0439-1) | Nessus | SuSE Local Security Checks | high |
| 122201 | EulerOS 2.0 SP5 : kernel (EulerOS-SA-2019-1028) | Nessus | Huawei Local Security Checks | high |
| 122174 | EulerOS 2.0 SP3 : kernel (EulerOS-SA-2019-1027) | Nessus | Huawei Local Security Checks | low |
| 121468 | SUSE SLES11 Security Update : kernel (SUSE-SU-2019:13937-1) | Nessus | SuSE Local Security Checks | high |
| 121208 | SUSE SLES12 Security Update : kernel (SUSE-SU-2019:0095-1) | Nessus | SuSE Local Security Checks | high |
| 120151 | SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2018:3589-1) | Nessus | SuSE Local Security Checks | high |
| 119921 | EulerOS 2.0 SP2 : kernel (EulerOS-SA-2018-1432) | Nessus | Huawei Local Security Checks | high |
| 119832 | Ubuntu 14.04 LTS : Linux kernel vulnerabilities (USN-3849-1) | Nessus | Ubuntu Local Security Checks | high |
| 119647 | SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2018:4069-1) | Nessus | SuSE Local Security Checks | high |
| 119639 | Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2018-4307) | Nessus | Oracle Linux Local Security Checks | high |
| 119286 | SUSE SLES12 Security Update : kernel (SUSE-SU-2018:3934-1) | Nessus | SuSE Local Security Checks | high |
| 119077 | openSUSE Security Update : the Linux Kernel (openSUSE-2018-1427) | Nessus | SuSE Local Security Checks | high |
| 119033 | SUSE SLES12 Security Update : kernel (SUSE-SU-2018:3787-1) | Nessus | SuSE Local Security Checks | high |
| 119013 | SUSE SLES12 Security Update : kernel (SUSE-SU-2018:3772-1) | Nessus | SuSE Local Security Checks | low |
| 118952 | SUSE SLES11 Security Update : kernel (SUSE-SU-2018:3746-1) | Nessus | SuSE Local Security Checks | high |
| 118882 | SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2018:3689-1) | Nessus | SuSE Local Security Checks | high |
| 118818 | openSUSE Security Update : the Linux Kernel (openSUSE-2018-1342) | Nessus | SuSE Local Security Checks | high |