High severity · published Aug 19, 2020
CVE-2020-14356
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
7.8
CVSS
1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
4.5 before 4.9.231; 4.10 before 4.14.189; 4.15 before 4.19.134; 4.20 before 5.4.53; 5.5 before 5.7.10 · source: NVD
AI
Active IQ Unified Manager · Netapp
All versions, or not specified · source: NVD
CB
Cloud Backup · Netapp
All versions, or not specified · source: NVD
DL
Debian Linux · Debian
9.0 · source: NVD
EL
Enterprise Linux · Redhat
8.0 · source: NVD
HM
Hci Management Node · Netapp
All versions, or not specified · source: NVD
LE
Leap · Opensuse
15.1; 15.2 · source: NVD
SO
Solidfire · Netapp
All versions, or not specified · source: NVD
SB
Solidfire Baseboard Management Controller Firmware · Netapp
All versions, or not specified · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 18.04; 20.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-14356
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-14356
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00007.html
Exploit
https://bugzilla.kernel.org/show_bug.cgi?id=208003
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1868453
Mailing List
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
Mailing List
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
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