CVEvulnerability
CVE-2021-38203
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-08-08
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-667
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.
Affected configurations
• linux linux kernel (< 5.13.4)
• netapp hci bootstrap os
• netapp hci management node
• netapp solidfire
• netapp element software
Related
Weakness · CWE (1)
- CWE-667 Improper Locking weakness
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4 Mailing List, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/1cb3db1cf383a3c7dbda1aa0ce748b0958759947 Exploit, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210902-0010/ Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4 Mailing List, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/1cb3db1cf383a3c7dbda1aa0ce748b0958759947 Exploit, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210902-0010/ Third Party Advisory