CVE-2020-15436

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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

https://lkml.org/lkml/2020/6/7/379

https://security.netapp.com/advisory/ntap-20201218-0002/

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

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Tenable Plugins

View all (33 total)

IDNameProductFamilySeverity
151419EulerOS Virtualization 3.0.2.2 : kernel (EulerOS-SA-2021-2140)NessusHuawei Local Security Checks
high
151229EulerOS Virtualization 3.0.6.6 : kernel (EulerOS-SA-2021-2040)NessusHuawei Local Security Checks
high
150963RHEL 7 : kernel (RHSA-2021:2523)NessusRed Hat Local Security Checks
medium
150536SUSE SLES11 Security Update : kernel (SUSE-SU-2021:14630-1)NessusSuSE Local Security Checks
high
149028RHEL 7 : kernel (RHSA-2021:1376)NessusRed Hat Local Security Checks
medium
148041EulerOS 2.0 SP5 : kernel (EulerOS-SA-2021-1684)NessusHuawei Local Security Checks
high
147982Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-4752-1)NessusUbuntu Local Security Checks
high
147512EulerOS Virtualization 2.9.1 : kernel (EulerOS-SA-2021-1604)NessusHuawei Local Security Checks
high
146701EulerOS 2.0 SP2 : kernel (EulerOS-SA-2021-1311)NessusHuawei Local Security Checks
high
146511SUSE SLES12 Security Update : kernel (SUSE-SU-2021:0452-1)NessusSuSE Local Security Checks
high
146476SUSE SLES12 Security Update : kernel (SUSE-SU-2021:0437-1)NessusSuSE Local Security Checks
high
146474SUSE SLES15 Security Update : kernel (SUSE-SU-2021:0438-1)NessusSuSE Local Security Checks
high
146470SUSE SLES12 Security Update : kernel (SUSE-SU-2021:0434-1)NessusSuSE Local Security Checks
high
146282openSUSE Security Update : RT kernel (openSUSE-2021-242)NessusSuSE Local Security Checks
high
146082RHEL 7 : kernel-rt (RHSA-2021:0338)NessusRed Hat Local Security Checks
medium
146078Oracle Linux 7 : kernel (ELSA-2021-0336)NessusOracle Linux Local Security Checks
medium
146076RHEL 7 : kernel (RHSA-2021:0336)NessusRed Hat Local Security Checks
medium
146064Scientific Linux Security Update : kernel on SL7.x x86_64 (2021:0336)NessusScientific Linux Local Security Checks
medium
146055RHEL 7 : kernel-alt (RHSA-2021:0354)NessusRed Hat Local Security Checks
high
145201EulerOS 2.0 SP3 : kernel (EulerOS-SA-2021-1079)NessusHuawei Local Security Checks
high
144914SUSE SLES12 Security Update : kernel (SUSE-SU-2021:0098-1)NessusSuSE Local Security Checks
high
144837OracleVM 3.4 : Unbreakable / etc (OVMSA-2021-0001)NessusOracleVM Local Security Checks
high
144802Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2021-9002)NessusOracle Linux Local Security Checks
high
144731EulerOS Virtualization for ARM 64 3.0.2.0 : kernel (EulerOS-SA-2021-1039)NessusHuawei Local Security Checks
high
144693EulerOS 2.0 SP9 : kernel (EulerOS-SA-2021-1028)NessusHuawei Local Security Checks
high
144313openSUSE Security Update : the Linux Kernel (openSUSE-2020-2260)NessusSuSE Local Security Checks
medium
144259SUSE SLES15 Security Update : kernel (SUSE-SU-2020:3798-1)NessusSuSE Local Security Checks
high
144143SUSE SLES15 Security Update : kernel (SUSE-SU-2020:3764-1)NessusSuSE Local Security Checks
high
144101SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2020:3748-1)NessusSuSE Local Security Checks
medium
143860SUSE SLES12 Security Update : kernel (SUSE-SU-2020:3717-1)NessusSuSE Local Security Checks
medium
143633SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2020:3718-1)NessusSuSE Local Security Checks
medium
143542openSUSE Security Update : the Linux Kernel (openSUSE-2020-2193)NessusSuSE Local Security Checks
medium
143523openSUSE Security Update : the Linux Kernel (openSUSE-2020-2161)NessusSuSE Local Security Checks
medium