CVE-2020-15437medium
New! CVE Severity Now Using CVSS v3
The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.
Description
The Linux kernel before version 5.8 is vulnerable to a NULL pointer dereference in drivers/tty/serial/8250/8250_core.c:serial8250_isa_init_ports() that allows local users to cause a denial of service by using the p->serial_in pointer which uninitialized.
References
Details
Source: MITRE
Published: 2020-11-23
Updated: 2020-12-02
Type: CWE-476
Risk Information
CVSS v2
Base Score: 4.9
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 3.9
Severity: MEDIUM
CVSS v3
Base Score: 4.4
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 0.8
Severity: MEDIUM
Vulnerable Software
Configuration 1
OR
Tenable Plugins
| ID | Name | Product | Family | Severity |
|---|---|---|---|---|
| 151229 | EulerOS Virtualization 3.0.6.6 : kernel (EulerOS-SA-2021-2040) | Nessus | Huawei Local Security Checks | high |
| 150536 | SUSE SLES11 Security Update : kernel (SUSE-SU-2021:14630-1) | Nessus | SuSE Local Security Checks | high |
| 149914 | Oracle Linux 8 : kernel (ELSA-2021-1578) | Nessus | Oracle Linux Local Security Checks | high |
| 149874 | CentOS 8 : kernel (CESA-2021:1578) | Nessus | CentOS Local Security Checks | high |
| 149670 | RHEL 8 : kernel (RHSA-2021:1578) | Nessus | Red Hat Local Security Checks | high |
| 149660 | RHEL 8 : kernel-rt (RHSA-2021:1739) | Nessus | Red Hat Local Security Checks | high |
| 148041 | EulerOS 2.0 SP5 : kernel (EulerOS-SA-2021-1684) | Nessus | Huawei Local Security Checks | high |
| 147982 | Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-4752-1) | Nessus | Ubuntu Local Security Checks | high |
| 147690 | EulerOS Virtualization 2.9.0 : kernel (EulerOS-SA-2021-1642) | Nessus | Huawei Local Security Checks | high |
| 147512 | EulerOS Virtualization 2.9.1 : kernel (EulerOS-SA-2021-1604) | Nessus | Huawei Local Security Checks | high |
| 146701 | EulerOS 2.0 SP2 : kernel (EulerOS-SA-2021-1311) | Nessus | Huawei Local Security Checks | high |
| 146511 | SUSE SLES12 Security Update : kernel (SUSE-SU-2021:0452-1) | Nessus | SuSE Local Security Checks | high |
| 146476 | SUSE SLES12 Security Update : kernel (SUSE-SU-2021:0437-1) | Nessus | SuSE Local Security Checks | high |
| 146474 | SUSE SLES15 Security Update : kernel (SUSE-SU-2021:0438-1) | Nessus | SuSE Local Security Checks | high |
| 146470 | SUSE SLES12 Security Update : kernel (SUSE-SU-2021:0434-1) | Nessus | SuSE Local Security Checks | high |
| 146282 | openSUSE Security Update : RT kernel (openSUSE-2021-242) | Nessus | SuSE Local Security Checks | high |
| 145201 | EulerOS 2.0 SP3 : kernel (EulerOS-SA-2021-1079) | Nessus | Huawei Local Security Checks | high |
| 144731 | EulerOS Virtualization for ARM 64 3.0.2.0 : kernel (EulerOS-SA-2021-1039) | Nessus | Huawei Local Security Checks | high |
| 144693 | EulerOS 2.0 SP9 : kernel (EulerOS-SA-2021-1028) | Nessus | Huawei Local Security Checks | high |
| 144687 | EulerOS 2.0 SP9 : kernel (EulerOS-SA-2021-1009) | Nessus | Huawei Local Security Checks | high |
| 144313 | openSUSE Security Update : the Linux Kernel (openSUSE-2020-2260) | Nessus | SuSE Local Security Checks | medium |
| 144259 | SUSE SLES15 Security Update : kernel (SUSE-SU-2020:3798-1) | Nessus | SuSE Local Security Checks | high |
| 144143 | SUSE SLES15 Security Update : kernel (SUSE-SU-2020:3764-1) | Nessus | SuSE Local Security Checks | high |
| 144101 | SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2020:3748-1) | Nessus | SuSE Local Security Checks | medium |
| 143860 | SUSE SLES12 Security Update : kernel (SUSE-SU-2020:3717-1) | Nessus | SuSE Local Security Checks | medium |
| 143633 | SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2020:3718-1) | Nessus | SuSE Local Security Checks | medium |
| 143619 | SUSE SLES12 Security Update : kernel (SUSE-SU-2020:3715-1) | Nessus | SuSE Local Security Checks | medium |
| 143542 | openSUSE Security Update : the Linux Kernel (openSUSE-2020-2193) | Nessus | SuSE Local Security Checks | medium |
| 143523 | openSUSE Security Update : the Linux Kernel (openSUSE-2020-2161) | Nessus | SuSE Local Security Checks | medium |