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CVE-2020-8992

nvd nist
Published: Feb 14, 2020Modified: Jun 17, 2026

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5.5
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability: 1.8 / Impact: 3.6
Source: NVD

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 (13)

Products: Linux: Linux Kernel · Canonical: Ubuntu Linux · Opensuse: Leap · +1 more
Show all products
1 product
Linux Kernel
1 product
Ubuntu Linux
1 product
Leap
7 products
Active Iq Unified Manager
Cloud Backup
Data Availability Services
Hci Management Node
Solidfire
H410c Firmware
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Up to 5.5.3
Configuration B
4 vulnerable
Vulnerable SoftwareAffected Versions
Canonical
Version 14.04
Version 16.04
Version 18.04
Version 19.10
Configuration C
1 vulnerable
Vulnerable SoftwareAffected Versions
Version 15.1
Configuration D
6 vulnerable
Vulnerable SoftwareAffected Versions
All versions
All versions
All versions
All versions
All versions
All versions
Configuration E
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
All versions
Running on/withPlatform Versions
Netapp
H410c
All versions

References (16)

Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
PatchThird Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.