CVE-2020-14356

high

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

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

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

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

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

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

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

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

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

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

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

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

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

Details

Source: Mitre, NVD

Published: 2020-08-19

Updated: 2023-02-24

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H