CVE-2020-8992
First published: Fri Feb 14 2020(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <=5.5.3 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 | |
| Ubuntu | =19.10 | |
| SUSE Linux | =15.1 | |
| NetApp Active IQ Unified Manager for VMware vSphere | ||
| NetApp Cloud Backup | ||
| NetApp Data Availability Services | ||
| NetApp SolidFire & HCI Management Node | ||
| NetApp SolidFire & HCI Storage Node | ||
| NetApp SteelStore Cloud Integrated Storage | ||
| All of | ||
| NetApp H410C | ||
| NetApp H410C Firmware | ||
| NetApp H410C | ||
| NetApp H410C Firmware | ||
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.128-1 6.12.20-1 6.12.21-1 |
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Reference Links
- https://patchwork.ozlabs.org/patch/1236118/
- https://security.netapp.com/advisory/ntap-20200313-0003/
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
- https://usn.ubuntu.com/4318-1/
- https://usn.ubuntu.com/4324-1/
- https://usn.ubuntu.com/4344-1/
- https://usn.ubuntu.com/4342-1/
- https://usn.ubuntu.com/4419-1/
- https://launchpad.net/bugs/cve/CVE-2020-8992
- https://security-tracker.debian.org/tracker/CVE-2020-8992
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8992
- https://nvd.nist.gov/vuln/detail/CVE-2020-8992
- https://ubuntu.com/security/CVE-2020-8992
Frequently Asked Questions
What is the severity of CVE-2020-8992?
CVE-2020-8992 is classified as a denial of service vulnerability that causes a soft lockup in the Linux kernel.
How do I fix CVE-2020-8992?
To resolve CVE-2020-8992, upgrade to Linux kernel versions 5.10.223-1, 5.10.226-1, 6.1.123-1, 6.1.119-1, 6.12.10-1, or 6.12.11-1.
Which Linux kernel versions are affected by CVE-2020-8992?
CVE-2020-8992 affects the Linux kernel versions up to and including 5.5.3.
What are the potential impacts of CVE-2020-8992?
The potential impact of CVE-2020-8992 is a denial of service which can lead to system instability and unresponsiveness.
Is CVE-2020-8992 present in Ubuntu distributions?
Yes, CVE-2020-8992 affects specific versions of Ubuntu Linux including 14.04, 16.04, and 18.04.
- agent/type
- agent/weakness
- collector/launchpad-cve
- source/Launchpad
- agent/severity
- collector/mitre-cve
- source/MITRE
- agent/remedy
- agent/references
- agent/first-publish-date
- collector/usn-cve
- source/Ubuntu
- agent/description
- agent/last-modified-date
- agent/trending
- agent/source
- agent/author
- agent/event
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- collector/nvd-index
- agent/tags
- agent/softwarecombine
- collector/security-tracker-debian
- source/Debian
- vendor/linux
- canonical/linux kernel
- version/linux kernel/5.5.3
- vendor/canonical
- canonical/ubuntu
- version/ubuntu/14.04
- version/ubuntu/16.04
- version/ubuntu/18.04
- version/ubuntu/19.10
- vendor/opensuse
- canonical/suse linux
- version/suse linux/15.1
- vendor/netapp
- canonical/netapp active iq unified manager for vmware vsphere
- canonical/netapp cloud backup
- canonical/netapp data availability services
- canonical/netapp solidfire & hci management node
- canonical/netapp solidfire & hci storage node
- canonical/netapp steelstore cloud integrated storage
- canonical/netapp h410c
- canonical/netapp h410c firmware
- package-manager/debian