CVE-2020-14356

high
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

A flaw null pointer dereference in the Linux kernel cgroupv2 subsystem in versions before 5.7.10 was found in the way when reboot the system. A local user could use this flaw to crash the system or escalate their privileges on the system.

References

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html

http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00007.html

https://bugzilla.kernel.org/show_bug.cgi?id=208003

https://bugzilla.redhat.com/show_bug.cgi?id=1868453

https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html

https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html

https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html

https://lore.kernel.org/netdev/CAM_iQpUKQJrj8wE+Qa8NGR3P0L+5Uz=qo-O5+k_P60HzTde6aw%40mail.gmail.com/t/

https://security.netapp.com/advisory/ntap-20200904-0002/

https://usn.ubuntu.com/4483-1/

https://usn.ubuntu.com/4484-1/

https://usn.ubuntu.com/4526-1/

Details

Source: MITRE

Published: 2020-08-19

Updated: 2020-11-02

Type: CWE-476

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: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH

Tenable Plugins

View all (24 total)

IDNameProductFamilySeverity
149914Oracle Linux 8 : kernel (ELSA-2021-1578)NessusOracle Linux Local Security Checks
high
149874CentOS 8 : kernel (CESA-2021:1578)NessusCentOS Local Security Checks
high
149670RHEL 8 : kernel (RHSA-2021:1578)NessusRed Hat Local Security Checks
high
149660RHEL 8 : kernel-rt (RHSA-2021:1739)NessusRed Hat Local Security Checks
high
147512EulerOS Virtualization 2.9.1 : kernel (EulerOS-SA-2021-1604)NessusHuawei Local Security Checks
high
146282openSUSE Security Update : RT kernel (openSUSE-2021-242)NessusSuSE Local Security Checks
high
143840SUSE SLES12 Security Update : kernel (SUSE-SU-2020:2623-1)NessusSuSE Local Security Checks
high
143833SUSE SLES15 Security Update : kernel (SUSE-SU-2020:2631-1)NessusSuSE Local Security Checks
high
143767SUSE SLES15 Security Update : kernel (SUSE-SU-2020:2610-1)NessusSuSE Local Security Checks
high
142176Debian DLA-2420-2 : linux regression updateNessusDebian Local Security Checks
high
141395Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2020-5884)NessusOracle Linux Local Security Checks
high
140933Debian DLA-2385-1 : linux-4.19 security updateNessusDebian Local Security Checks
high
140722Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-4526-1)NessusUbuntu Local Security Checks
high
140709Photon OS 2.0: Linux PHSA-2020-2.0-0283NessusPhotonOS Local Security Checks
high
140475SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2020:2575-1)NessusSuSE Local Security Checks
high
140449SUSE SLES12 Security Update : kernel (SUSE-SU-2020:2574-1)NessusSuSE Local Security Checks
high
140385SUSE SLES12 Security Update : kernel (SUSE-SU-2020:2540-1) (Spectre)NessusSuSE Local Security Checks
high
140365openSUSE Security Update : the Linux Kernel (openSUSE-2020-1325) (Spectre)NessusSuSE Local Security Checks
high
140328EulerOS Virtualization for ARM 64 3.0.2.0 : kernel (EulerOS-SA-2020-1958)NessusHuawei Local Security Checks
high
140264SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2020:2486-1)NessusSuSE Local Security Checks
high
140182Ubuntu 18.04 LTS : Linux kernel vulnerability (USN-4484-1)NessusUbuntu Local Security Checks
high
140181Ubuntu 18.04 LTS / 20.04 : Linux kernel vulnerabilities (USN-4483-1)NessusUbuntu Local Security Checks
high
139962EulerOS 2.0 SP8 : kernel (EulerOS-SA-2020-1859)NessusHuawei Local Security Checks
high
139766openSUSE Security Update : the Linux Kernel (openSUSE-2020-1236)NessusSuSE Local Security Checks
medium