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RedhatCVE-2020-14356

HistoryAug 19, 2020 - 3:15 p.m.

CVE-2020-14356

2020-08-1915:15:12

CWE-476

redhat

web.nvd.nist.gov

381

cve-2020-14356

linux

kernel

cgroupv2

null pointer dereference

system crash

privilege escalation

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.2

Confidence

High

EPSS

Percentile

5.1%

JSON

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 configurations

Nvd

Vulners

Node

linuxlinux_kernelRange4.5–4.9.231

linuxlinux_kernelRange4.10–4.14.189

linuxlinux_kernelRange4.15–4.19.134

linuxlinux_kernelRange4.20–5.4.53

linuxlinux_kernelRange5.5–5.7.10

Node

redhatenterprise_linuxMatch8.0

Node

opensuseleapMatch15.1

opensuseleapMatch15.2

Node

debiandebian_linuxMatch9.0

Node

canonicalubuntu_linuxMatch14.04esm

canonicalubuntu_linuxMatch16.04esm

canonicalubuntu_linuxMatch18.04lts

canonicalubuntu_linuxMatch20.04lts

Node

netappactive_iq_unified_managerMatch-vmware_vsphere

netappcloud_backupMatch-

netapphci_management_nodeMatch-

netappsolidfireMatch-

Node

netappsolidfire_baseboard_management_controller_firmwareMatch-

AND

netappsolidfire_baseboard_management_controllerMatch-

VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
redhatenterprise_linux8.0cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
opensuseleap15.1cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
opensuseleap15.2cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
debiandebian_linux9.0cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
canonicalubuntu_linux14.04cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
canonicalubuntu_linux16.04cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
canonicalubuntu_linux18.04cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
canonicalubuntu_linux20.04cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
netappactive_iq_unified_manager-cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*

Vendor	Product	Version	CPE
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
redhat	enterprise_linux	8.0	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*
opensuse	leap	15.1	cpe:2.3:o:opensuse:leap:15.1:::::::*
opensuse	leap	15.2	cpe:2.3:o:opensuse:leap:15.2:::::::*
debian	debian_linux	9.0	cpe:2.3:o:debian:debian_linux:9.0:::::::*
canonical	ubuntu_linux	14.04	cpe:2.3:o:canonical:ubuntu_linux:14.04::::esm:::
canonical	ubuntu_linux	16.04	cpe:2.3:o:canonical:ubuntu_linux:16.04::::esm:::
canonical	ubuntu_linux	18.04	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
canonical	ubuntu_linux	20.04	cpe:2.3:o:canonical:ubuntu_linux:20.04::::lts:::
netapp	active_iq_unified_manager	-	cpe:2.3:a:netapp:active_iq_unified_manager:-:::::vmware_vsphere::

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CNA Affected

[
  {
    "product": "Kernel",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Kernel versions before 5.7.10"
      }
    ]
  }
]