CVE-2020-8992

MEDIUM

5.5

CVSS Score

Published: February 14, 2020 at 04:27 AM UTC

Updated: June 17, 2026 at 03:27 AM UTC

11 products affected across 4 vendorsLinux KernelUbuntu LinuxLeap

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.4%

Description

ext4_protect_reserved_inode in fs/ext4/block_validity.c in the Linux kernel through 5.5.3 allows attackers to cause a denial of service (soft lockup) via a crafted journal size.

Affected

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

Ubuntu Linux · Canonicalrubygems

95%

14.04 16.04 18.04 19.10

Linux Kernel · Linux

95%

v ≤ 5.5.3

Active IQ Unified Manager · NetAppnpm

95%

All versions

Cloud Backup · NetAppdrupal

95%

All versions

Data Availability Services · NetApp

95%

All versions

H410C Firmware · NetAppdrupal

95%

All versions

netapp-h410c (same device)

Hci Management Node · NetApp

95%

All versions

Solidfire · NetApp

95%

All versions

Steelstore Cloud Integrated Storage · NetApp

95%

All versions

Leap · openSUSEdrupal

95%

15.1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (8)

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory

Source: [email protected]

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html

x_refsource_MISCPatchThird Party Advisory

Source: [email protected]

https://patchwork.ozlabs.org/patch/1236118/

x_refsource_CONFIRMThird Party Advisory

Source: [email protected]

https://security.netapp.com/advisory/ntap-20200313-0003/