CVE-2021-38203
First published: Sun Aug 08 2021(Updated: )
btrfs in the Linux kernel before 5.13.4 allows attackers to cause a denial of service (deadlock) via processes that trigger allocation of new system chunks during times when there is a shortage of free space in the system space_info.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <5.13.4 | |
| All of | ||
| NetApp Bootstrap OS | ||
| NetApp HCI Compute Node | ||
| NetApp SolidFire & HCI Management Node | ||
| NetApp SolidFire & HCI Storage Node | ||
| All of | ||
| NetApp Management Services for Element Software | ||
| NetApp HCI Storage Nodes | ||
| NetApp Bootstrap OS | ||
| NetApp HCI Compute Node | ||
| NetApp Management Services for Element Software | ||
| NetApp HCI Storage Nodes | ||
| 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 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4
- https://github.com/torvalds/linux/commit/1cb3db1cf383a3c7dbda1aa0ce748b0958759947
- https://security.netapp.com/advisory/ntap-20210902-0010/
- https://launchpad.net/bugs/cve/CVE-2021-38203
- https://git.kernel.org/linus/1cb3db1cf383a3c7dbda1aa0ce748b0958759947
- https://security-tracker.debian.org/tracker/CVE-2021-38203
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38203
- https://nvd.nist.gov/vuln/detail/CVE-2021-38203
- https://ubuntu.com/security/CVE-2021-38203
Frequently Asked Questions
What is the severity of CVE-2021-38203?
CVE-2021-38203 has been classified as a denial of service (DoS) vulnerability impacting stability due to potential deadlocks during allocation.
How do I fix CVE-2021-38203?
To fix CVE-2021-38203, upgrade the Linux kernel to version 5.13.4 or later.
Which versions of the Linux kernel are affected by CVE-2021-38203?
CVE-2021-38203 affects Linux kernel versions prior to 5.13.4.
What types of systems are impacted by CVE-2021-38203?
CVE-2021-38203 impacts systems using the affected versions of the Linux kernel, including certain NetApp products.
Is there a workaround for CVE-2021-38203?
There is no specific workaround for CVE-2021-38203; updating to a patched version of the Linux kernel is the recommended action.
- agent/type
- collector/launchpad-cve
- source/Launchpad
- agent/severity
- agent/weakness
- collector/mitre-cve
- source/MITRE
- collector/usn-cve
- source/Ubuntu
- agent/references
- agent/remedy
- agent/description
- agent/first-publish-date
- 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
- vendor/netapp
- canonical/netapp bootstrap os
- canonical/netapp hci compute node
- canonical/netapp solidfire & hci management node
- canonical/netapp solidfire & hci storage node
- canonical/netapp management services for element software
- canonical/netapp hci storage nodes
- package-manager/debian