CVE-2020-15436medium
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
Use-after-free vulnerability in fs/block_dev.c in the Linux kernel before 5.8 allows local users to gain privileges or cause a denial of service by leveraging improper access to a certain error field.
References
Details
Source: MITRE
Published: 2020-11-23
Updated: 2020-12-18
Type: CWE-416
Risk Information
CVSS v2
Base Score: 7.2
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 3.9
Severity: HIGH
CVSS v3
Base Score: 6.7
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 0.8
Severity: MEDIUM
Vulnerable Software
Configuration 1
OR
Tenable Plugins
| ID | Name | Product | Family | Severity |
|---|---|---|---|---|
| 151419 | EulerOS Virtualization 3.0.2.2 : kernel (EulerOS-SA-2021-2140) | Nessus | Huawei Local Security Checks | high |
| 151229 | EulerOS Virtualization 3.0.6.6 : kernel (EulerOS-SA-2021-2040) | Nessus | Huawei Local Security Checks | high |
| 150963 | RHEL 7 : kernel (RHSA-2021:2523) | Nessus | Red Hat Local Security Checks | medium |
| 150536 | SUSE SLES11 Security Update : kernel (SUSE-SU-2021:14630-1) | Nessus | SuSE Local Security Checks | high |
| 149028 | RHEL 7 : kernel (RHSA-2021:1376) | Nessus | Red Hat Local Security Checks | medium |
| 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 |
| 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 |
| 146082 | RHEL 7 : kernel-rt (RHSA-2021:0338) | Nessus | Red Hat Local Security Checks | medium |
| 146078 | Oracle Linux 7 : kernel (ELSA-2021-0336) | Nessus | Oracle Linux Local Security Checks | medium |
| 146076 | RHEL 7 : kernel (RHSA-2021:0336) | Nessus | Red Hat Local Security Checks | medium |
| 146064 | Scientific Linux Security Update : kernel on SL7.x x86_64 (2021:0336) | Nessus | Scientific Linux Local Security Checks | medium |
| 146055 | RHEL 7 : kernel-alt (RHSA-2021:0354) | Nessus | Red Hat Local Security Checks | high |
| 145201 | EulerOS 2.0 SP3 : kernel (EulerOS-SA-2021-1079) | Nessus | Huawei Local Security Checks | high |
| 144914 | SUSE SLES12 Security Update : kernel (SUSE-SU-2021:0098-1) | Nessus | SuSE Local Security Checks | high |
| 144837 | OracleVM 3.4 : Unbreakable / etc (OVMSA-2021-0001) | Nessus | OracleVM Local Security Checks | high |
| 144802 | Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2021-9002) | Nessus | Oracle Linux 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 |
| 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 |
| 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 |