CVE-2020-14356

HIGH
7.8
CVSS Score
Published: August 19, 2020 at 02:37 PM UTC
Updated: June 17, 2026 at 02:54 AM UTC
12 products affected across 6 vendorsLinux KernelDebian LinuxUbuntu Linux

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Severity
HIGH7.8
Exploit prediction
EPSS 1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.10 ≤ v < 4.14.1894.15 ≤ v < 4.19.1344.20 ≤ v < 5.4.534.5 ≤ v < 4.9.2315.5 ≤ v < 5.7.10
Affected range stops below 4.14.189, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.19.134, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.9.231, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.4.53, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.7.10, so it looks safe — our inference, not a vendor statement
All versions
All versions
All versions
netapp-solidfire-baseboard-management-controller (same device)

References (12)

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00007.html
x_refsource_MISCExploitIssue TrackingVendor Advisory
https://bugzilla.kernel.org/show_bug.cgi?id=208003
x_refsource_MISCIssue TrackingPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1868453
Mailing Listx_refsource_MLISTThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
Mailing Listx_refsource_MLISTThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
Mailing Listx_refsource_MLISTThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476

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