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CVE-2021-38203 Details
Description
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.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4 | CVE | Mailing ListPatchVendor Advisory |
| https://github.com/torvalds/linux/commit/1cb3db1cf383a3c7dbda1aa0ce748b0958759947 | CVE | ExploitPatchThird Party Advisory |
| https://security.netapp.com/advisory/ntap-20210902-0010/ | CVE | Third Party Advisory |
| https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4 | [email protected] | Mailing ListPatchVendor Advisory |
| https://github.com/torvalds/linux/commit/1cb3db1cf383a3c7dbda1aa0ce748b0958759947 | [email protected] | ExploitPatchThird Party Advisory |
| https://security.netapp.com/advisory/ntap-20210902-0010/ | [email protected] | Third Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-667 | Improper Locking | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| linux linux kernel | < 5.13.4 |
CPE
Remediation
| |
| netapp hci bootstrap os | All versions |
CPE
Remediation
| |
| netapp hci compute node | All versions |
CPE
Remediation
| |
| netapp hci management node | All versions |
CPE
Remediation
| |
| netapp solidfire | All versions |
CPE
Remediation
| |
| netapp element software | All versions |
CPE
Remediation
| |
| netapp hci storage node | All versions |
CPE
Remediation
| |
Change History
7 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| May 3, 2022 | CWE Remap | [email protected] |
| Oct 7, 2021 | Modified Analysis | [email protected] |
| Sep 2, 2021 | CVE Modified | [email protected] |
| Aug 12, 2021 | Initial Analysis | [email protected] |